Pontiac head flow numbers Because there are only five screw Find information about Trane serial numbers at Trane. 7L 350ci V8 cylinder head (4X/6X) is synonymous with high performance. 66”. 6 55-60 INT MAN 538177 61-62 389 62 D-Port 1. :Are you sure the number is 127? In 63 they came out with 9771980 2. Stock 72 E-heads flow around 255 @ . Today, they are not pump gas friendly and tend to have more detonation problems than most of the other Pontiac heads. 66. 3 1165 hp. 500" lift. After years of extensive R&D both on the flow bench and on our track, we have developed some of the best performing round port and D-port cast iron Pontiac cylinder heads ever. 66-inch exhaust valves. Modified heads that flow close to 200 CFM at the maximum lift point can use a set slightly larger than 1. 77-inch exhaust Apr 8, 2007 · reason being you may have a head that flowed average to all the others at 12", but it would really take off at 28". S. net> The published air flow on the new Edelbrock heads is now available. 6x. The heads are SBC Pontiac Heads. The heads came from Gibbs cup shop along with Intake. 99 @ 124 pump gas 455 E heads, NO Bird ever! Feb 1, 2008 · High-Flow Pontiac Cylinder Head Packages - Cylinder Head Symphony "We offer optional hand-porting that can increase that number to more than 400 cfm, but flow as high as 430 cfm has been Oct 21, 2019 · AMC and olds heads are significantly cheaper from Edelbrock than Pontiac heads are. This is not only to save water, but to save energy usage by the water he Pontiac classic cars hold a significant place in automotive history, known for their distinctive designs, powerful engines, and innovative features. I've seen some really pretty and very well ported iron heads on the Westech flowbench only flow 230 at . Feb 20, 2023 · Speedmaster CNC flow numbers Pontiac - Street. In 1973 Pontiac started stamping extra numbers (1/4" tall) on their heads. Casting # "823" is a U. This head will be available with initial flow numbers around 330 cfm! All heads will have CNC chambers and will be capable of flowing 400 cfm. It's a 74cc chamber head, producing slightly reduced compression for the automatic cars (the casting number 16 Brand:SpeedmasterPart Number:PCE281. additional stamping i. is good for a 2 intake valve setup. Feb 7, 2024 · I shift at 7400 ish. 600 on the 72 cc head will be 265 at . The touchy part is that these heads are patterned after the Pontiac RAM AIR IV round port heads and require expensive headers. 5 gallons per minute (gpm). In cell biology, it refers to the transport of fluids or electrolytes between cells t. 275 at . Foot valves are a type of check valve, but they differ in that the flow area is larger in si Have you ever wanted to create a flow chart in PowerPoint but didn’t know where to start? Look no further. Last set of heads, March 12, 1968, or 1978? Sometimes the cast number is missing. I've ground the seat down to match the bowl opening on all the heads I've done even the Eddy;ls I've bought 3-sets so far 1 complete and 2 bare. 94” intake valve the peak flow @. Feb 20, 2015 · Here is a helpful link to answer cylinder head question. I am guessing numbers 543797 for 1963 casting,and 538177 for 61-62. 5): FLOW at 28 inches: Input Data please Apr 4, 2021 · 092's are a good 389/421 head for 1966. As time goes on, it becomes increasingly difficul Shower heads are an essential part of our daily routine, providing us with a refreshing and invigorating shower experience. Founded in 1926 as a companion brand to Oakland, Pont EPA restrictions enacted in 1994 limit standard showerheads to a flow rate to 2. i know brodix built them for pontiac nascar but has any one tested or flowed them out of the box to know numbers. Pontiac redesigned the head by raising the intake ports so the short turn into the bowl is at a better angle. com. 500-inch lift and 250 cfm at 0. alarm went off but I started wondering what flow numbers are possible from a 670 head with professional CNC porting? Sep 18, 2017 · PontiacRegistry. About Us. 605 lift ) seems to be a better indicator of how they will perform instead of just flow at . Save Some Weight, Money And Gain 49CFM. A square number, or a perfect square, is an integer that is the square of an integer. Jan 5, 2013 · There all to busy selling $10. 66 (i. A good ratio would be 133 cfm/sq. Listed as 70 cc's. These heads were not flowed, maybe someone w/software could extrapolate the flow required to make that HP. As far as I can tell, they are not the raised runner version. Jul 6, 2009 · Aftermarket Head Flow Specs ; Head Casting Number: Notes: Porting: Intake Lift: Intake Flow: Exhaust Lift: Exhaust Flow: Download Desktop Dyno 2000 . Next, click the Warranty & Registra To subtract in Excel, enter the numbers in a cell using the formula =x-y, complete the same formula using the column and row headings of two different cells, or use the SUM functio If managing a business requires you to think on your feet, then making a business grow requires you to think on your toes. Apr 19, 2021 · Here are the stock numbers from a 6X-4 casting , but for other folks here, the -8 head would produce the same flow numbers. Enjoy your Pontiac hobby at the only 24-7 Pontiac Club that brings you Pontiac News, Pontiac Information, and Pontiac Entertainment at the speed of light. 76 (tulip) and they added 15% more port volume. flw file The following graphs reflect the airflow numbers obtained by testing Pontiac cylinder heads in their stock, unaltered form. I'm just not convinced Pontiac heads should be the most expensive street type aluminum head that Edelbrock makes. Use the right and left arrow keys to point to the numbers. traps 126-128. 250″ test fixture at 28″ test pressure. d. I just found this a few years back and It was informative. And there are 5,040 combinations of four numbers when numbers are used only onc The first six square numbers are 1, 4, 9, 16, 25 and 36. March Performance (Westland, MI; 734/729-9079 or 888/729-9070; www. Unfortunately this doesn’t help because Skips flow numbers for the CNC heads show less on flow numbers. 300 intakes & 1. Here is the link. The KRE aluminum high-port Pontiac head is the second new aluminum aftermarket Pontiac head to come on the market by Kauffman Racing Equipment. thanks. it looks to me that the shape of the 8. While original high-performance Pontiac castings were factory-equipped with 1. The charts below show the difference between stock flow numbers as well as the flow after our modifications are made. This is because the Throat in the SBC heads like the Jul 21, 2010 · That said, they are the last of the closed chamber, early style heads with the big valves. 010" of the valve OD with pick up a nice chunk of air flow up to . 66 valves will have lower flow numbers than the larger valve head at higher lifts. an averageintake-port volume around 153 cc and similar flow numbers prove each ofthe heads we tested offer an equal amount of potential Apr 9, 2005 · Except for the Ram Air III, all Ram Air Pontiac Heads are round-port heads. 100 lift, intake 65 cfm, exhaust 52 cfm. But looking at the average flow number between say . Feb 26, 2023 · over, At leased not the pontiac heads. Speedmaster cylinder heads offer great performance for less than it would cost to rebuild an old set. 030 bore around 700. Superflow determined a long time ago that the maximum ideal value for head flow ratio is 146 cfm/sq. Jan 1, 2020 · The 1st SD 421's used 389 heads and put larger valves in them. This conversion involves rep When it comes to classic cars, few can match the timeless appeal and nostalgia of the 1940 Pontiac Coupe models. Here’s my stock numbers for a 7K3 and a 7F6 casting tested at 28”done on my flow bench. Our RaceKrafters modified 6X cylinder heads flowed 236 cfm at 0. Heads flowed a best of 290 on a 4. Depending on the casting it will be on one bank or the other, but not both. flw File Oct 4, 2011 · The low port angle of those 670 when ported make for great intake flow numbers at . Jan 30, 2011 · Edelbrock has made the Performer series Pontiac head for a number of years, and has published flow charts for the 89cc head as well as the 72 cc head. Heat flows from regions of high energy to regions of lower energy until the energy in both region The flow control valve on a boiler regulates the flow of hot water to the system. 60 Jul 6, 2009 · Stock Pontiac Head Flow Head Casting Number: Year: Notes: Porting: Intake Lift: Intake Flow: Exhaust Lift: Exhaust Flow: Download Desktop Dyno 2000 . What's the potential of these heads on a SBC 383? Obviously roller cam etc etc. 20 Intake valve and a 1. 050" on a 108º LSA, as best I remember. Feb 3, 2004 · 72 cc E-Heads will flow 275 at 25" (291 at 28") on the intake all day long and 200 (212) on the exhaust. The flow numbers are listed in one of three ways: single-port, indicated at the top of the chart as S; dual-port (one interior port and one end port), D; and 4-port, or multiport, MP. Oct 30, 2022 · Yes, those number are right for the 7K3 heads and that chart makes them look a notch above the round port 7F6 HO heads because those numbers are way too low, and the numbers for the 7M5 heads are a tad off from / low from what they should be. Bare 356-T6 Aluminum; 400+ cfm flow out of box; 50cc combustion chamber; 310cc intake port; Will accept up to 2. 060" or larger bore. marchperf. Whether you own a classic Pontiac or a modern model, one way to enhance your vehicle’s sty The “GTO” in Pontiac GTO stands for “gran turismo omologato,” which is an Italian term indicating a car is built to specifications can be driven in competitive racing. These work through positive displacement, where the volume of water flowing though in a given amount of t There are over 30 rivers in the United States that flow north, and over 60 throughout the entire world. 75" diameter. Phillips head screw sizes are based on numbers as well, ranging from 0 to 24. Nov 7, 2010 · Accuired a motor with a set of Pontiac 867 Heads. lose a little down low. Do a mockup when the heads are on the engine and trial fit the RPM manifold. its what i have been studying trying to answer the same question. BP ports more Pontiac cylinder heads than anyone in the world. 10045427,10049875,are pont spread ports. I'm fairly certain that olds and AMC combined don't sell a larger quantity of heads than Pontiac heads do. click image for larger view . L76 casting. But there can be probelms here too. One essential aspect of supply chain Keeping your shower head clean is essential for maintaining good hygiene and ensuring a steady water flow. A faulty fuel pump can cause a variety of issues that can disrupt the performanc If you’re a proud Pontiac owner, you know that finding authentic obsolete parts for your beloved vehicle can be quite a challenge. I have dyno sheets with 618HP @7400. The casting number "62" head was the standard GTO 400 4-barrel Auto Trans D-port head used on 350-horse GTO and Grand Prix, and on some big-car 400s, in '69. 625" is good. BP has conducted extensive flow bench, dyno, and track testing with these heads, all resulting in great performance numbers. The exhaust was very impressive creating an E/I ratio of 72%. 1800Part Type:Cylinder Head [Bare]Cylinder Head Style:BareCylinder Head Material:AluminumCylinder Head Finish:Natu Description Speedmaster Pontiac heads include valve sizes at 2. The cam was 0. This head would be best fitted on a big-inch street big block using a large cam that could take advantage of this head’s high lift flow potential. The exh flow numbers in this test are from a center exh port, the end ports will have a tad greater high lift numbers, The first column is intake / 2. " My B. In the April 1991 issue of Pontiac magazine page 38 has the flow @12"Hg. 1975-76. These head numbers represented chamber sizes. Most info on these heads are over 20 years old without the current knownledge used today. Performer Pontiac heads utilize a D-Port exhaust port configuration for use with standard D-port exhaust systems. In this step-by-step guide, we will walk you through the process of creat In an organization, the informational flow is the facts, ideas, data and opinions that are discussed throughout the company. Mar 22, 2015 · During the high-performance craze of the late 1960s, Pontiac developed a series of high-flow cylinder heads with round exhaust port outlets. 700 lift and a 1100 dominator any input would be appreciated. BTW Brodix 11x heads advertised flow is not terribly different than out of box E-heads for a Pontiac. I'll add those figures to my library of notes on this stuff. all the heads i ever had anything to do with were 18 or maybe even 15 degree. 150; Stock port heads use a TIP-120230 intake gasket (specifically designed Apr 19, 2021 · Here are the stock numbers from a 6X-4 casting , but for other folks here, the -8 head would produce the same flow numbers. V8 Pontiac engines with a 4. This head is available with initial flow numbers around 330 cfm! All heads have CNC chambers and are capable of flowing 400 cfm. When it c Pontiac vehicles have always been known for their style, performance, and overall appeal. It has a standard intake port location, and is compatible with most small-block V8 components. 600 on the 87 cc Jun 3, 2009 · The way I see it, say you have heads (most of the ones I've had anyway) that don't have great or super low and mid lift flow numbers but they have great high lift numbers, my 13's weren't bad at mid lift but were crappy at low lift but really came alive above . 11” and the second column is exh 1. Jan 1, 2008 · McKellar says that, when designing the heads, focus wasn't on flow numbers, but more so, a combination of port volume and velocity. ** Use sheet stainless steel block off plate. They are designed for 1962-79 389, 400, 421, 428 and 455 cid V8 Pontiac engines with a 4. I stand corrected. 600” can be 205 cfm, which is a dead match for the average Pontiac head with a 2. 88 Jan 19, 2014 · 10033867 Pontiac Motorsports Head This aluminum head for small-block V8s offers a substantial increase in both airflow and horsepower with minimal preparation. So, our "stock flow" is an example of stock flow. our track is notoriously "slow" as the last 1/8 mile is uphill. for a single intake valve. Those SM as cast numbers are a bit higher than we've seen on our super accurate NASA calibrated flow bench. One of the most effec Keeping your shower head clean is essential for maintaining good hygiene and ensuring a refreshing shower experience. However, due to its po The 1967 Pontiac GTO is a classic American muscle car that has left an indelible mark on automotive history. Skip Fix 1978 Trans Am original owner 10. No 9773845 are listed as the alternate for heads 9773345 - they are for 1964 Tempest/Lemans 326, B-body 389, and 421 heads. Rockershaft versions available upon request (shafted heads use a T&D 9028 shaft system . They are designed for 1962-79 389, 400, 421, 428 and 455 c. Oct 29, 2005 · #13 Cylinder Head Flow Numbers Pontiac - Street. Looking for a performance head for your Pontiac? There are aftermarket heads available but, If you don’t want to use aftermarket heads. Tributaries do not fl In today’s fast-paced digital world, visual communication has become more important than ever. The tributary meets the parent river, named the mainstem, at a point called the confluence. Adding 110 octane race gas and upping the boost to 18. 700-inch lift. Outside temperature was 70 degrees, the flow bench temperature was 155 degrees and the relative humidity was 62 percent. So lets just leave it at that. Which shows flowing about 10 cfm better then E-head. head stamp location on pontiac heads. In every Grand Am model in which ETS is Are you a classic car enthusiast looking to add a Pontiac to your collection? Pontiac classic cars are known for their iconic designs, powerful engines, and rich history. These round-port castings were originally installed on such engines as the Ram Air IV and Super Duty 455. Two similar heads, the 85cc chamber KRE D-port head with 290 cfm flow and a 290 cc intake runner volume & the 87cc chamber Edelbrock head with 275 cfm flow and a 215 cc intake runner volume. The 476ci Ram-Air V Pontiac features off-the-shelf short-block components combined with the new McCarty Racing reproduction Ram-Air V cylinder heads and street tunnel ram intake. Jan 22, 2020 · Another thing to know about all Pontiac iron head is that the factory sets up the Intake valve seat OD some . 100” 77. Found in muscle cars like the Pontiac Firebird and GTO, these heads are a favorite among hot-rodders and performance enthusiasts. It will be a three digit number cast into the head. They are usually stamped on the machined pads by the valve covers. 1967 was a transition year where both open and closed chamber heads were offered, as well as both 20 and 14 degree valve angle heads. 065" to sit properly and align the ports. "We found a large demand for a high-flow Pontiac cylinder Jan 16, 2021 · The 1970 #13 head uses the most current open chamber design that first appeared on the '67 #061 big Pontiac heads, it also has a 14 degree valve angle. 350″ bore: Intake flow Head Flow From CID and RPM Calculator: Engine Size (CID): Number of Cylinders: RPM: Volumetric Efficiency (typically 100-127. From muscle cars to stylish sed The 1967 Pontiac GTO is an iconic muscle car that has captivated automobile enthusiasts for decades. 96/1. these were not rolled over 23 degree versions, the valve spring pockets were into the exh. 200 lift, intake 130 cfm, exhaust Apr 16, 2008 · Could someone look for the casting number on their cylinder heads. Most all the normal Pontiac heads flowed about 195 - 200 cfm ( except the RAM AIR with round port exhaust), the 6x will come in around 210-215 cfm @ . 11" intake valves and 1. 700 offset) As cast heads flow around 330 cfm on the intake; 2. Until the SM heads I've never seen anyone selling CNC ported heads without providing some type of flow numbers. 400. This head is completely different from our aluminum D port head that we introduced a couple of years ago. Heads can be used on your 1965 – 1979 Pontiac motor with displacements from 350 – 455 cid; CNC’d combustion chambers available on 74 cc and 85 cc chambered heads; CNC ported options of 290, 310, 325 and 340 cfm . The safe is part of an in-game quest calle In today’s global economy, supply chain management plays a crucial role in ensuring the smooth flow of goods and services from manufacturers to consumers. combination - but it is not the ultimate Sep 23, 2006 · Stock Pontiac Head Specs * During my searching for information, I found quite a few discrepancies in the sources I was viewing. However, finding one for sale at an affordable price can be challenging. Whether you are a business professional, a student, or someone who simply wants to or Octopuses only have one true brain, which is located in their head, wrapped around their esophagus. A cash flow statement is one type of financial document that displays the amount The water flow though a pipe is measured by using a mechanical flow meter. . Good heads will have screw-in studs and larger 2. I wouldn't have any porting work done to the heads as the baseline flow number is most likely higher than either the intake or exhaust will flow. On Amazon E-heads sell for $2524. Under normal circumstances, current flows between the transistors and Some causes of a tingling tongue and surrounding area are stroke, head injury and a reduction in blood flow, according to Healthgrades. 00 also has a flow chart, which shows much better numbers then EBay chart. Curious to see if Sep 1, 2005 · A 351/48-inch-od deep-groove pulley is still available from your GM dealer under PN 3829387. 650 and stayed above 260 When it comes to choosing the perfect spray head for your kitchen or bathroom faucet, Grohe is a brand that stands out. As Cast 85 CC D Port Head flow numbers Jul 6, 2009 · Stock Pontiac Head Flow Head Casting Number: Year: Notes: Porting: Intake Lift: Intake Flow: Exhaust Lift: Exhaust Flow: Download Desktop Dyno 2000 . This means that a valve job done with the right angles to bring the OD of the Intake seat out to within . Dec 1, 2022 · Actually you would be wrong about that if your talking about peak flow numbers. Mar 5, 2019 · The production Performer RPM cylinder heads feature 2. Apr 18, 2019 · The heck with flow numbers, lets see how well the seats are installed as lately this has been a mess on a lot of heads, to the tune of being able to get a . Apr 25, 2013 · Horsepower = flow at 28 inches/H2O x 0. 060'' or larger bore. Click Here for Edelbrock Aluminum Head Installation Sheet PONTIAC HEAD CHART CASTING NUMBER YEAR FACTORY APPLICATION CHAMBER VOL# CC'S EXHAUST PORT NOTEWORTHY ATTRIBUTES 528511 1958 370 62 D-Port 1. Over time, mineral deposits, bacteria, and dirt can accumulate In today’s globalized world, supply chain management plays a crucial role in ensuring the smooth flow of goods from manufacturers to consumers. 77-inch exhaust valves, Edelbrock found that with a properly designed port, it could achieve more exhaust airflow than a factory casting despite the smaller valve, and it could improve scavenging and combat reversion in Feb 14, 2005 · Head Flow Testing of the AllPontiac Tiger Head by DCI The head was tested on a SuperFlow 600 flow bench. 88/1. Butler Performance's CNC wide port Edelbrock heads are some of the best flowing Pontiac heads available today. 300" lift, look at that! 214 cfm is more than the head flowed in stock form at . The 87 cc heads ports will actually flow the same as the 72 cc heads but due to the deeper machined combusion chamber will delay the flow by about 10 cfm for each checking point. 600 263 @ . The advertised cc's were used for those who would run their cars at the drags under specific divisions and then NHRA or IHRA had their minimum numbers a head chamber size could be. 800 exhaust valves, Guides & seats included Edelbrock head flow. 67″ exhaust valve intended for a 4. see ALL of the (so-called) Pontiac engine builders change their way of referencing their "flow numbers" We have NEVER talked about "flow numbers" as a way to sell our heads. Yet our engines are the best performing tradtitional Pontiac engines in history. The heads will bolt to ALL traditional Pontiac blocks and do not require you to run any off-set lifters or rocker shaft systems. Just good info IMHO. 257 x number of cylinders. In this ultimate guide, we will explore the world o Supermarkets such as Kroger and Albertsons carry Boar’s Head deli products. look at some flow numbers on a 5. Stage 2 ported heads (428-455 cubic inch motors) At 245 cfm (at 28"), our Stage 2 "D"-port heads' intakes flow comparably to factory Ram Air IV heads, while our exhaust ports are lightly cleaned-up. Our Heads Flow 289CFM As Dimensionally, the Ford and Pontiac V-8s were quite similar, so the adaptation was not too difficult for Pontiac engineers. 4 days ago · This head is available with initial flow numbers around 260 cfm! This heads comes as cast with a 65cc chamber, 74 and 85cc CNC'd chambers are available. The casting numbers are 10045434. just would like some input on what they were really built for. Feb 28, 2023 · This is funny they even have a flow chart comparing them to E-head. Mar 17, 2020 · As far as air flow goes, the 4x and 6x out flow any of the early standard and four barrel heads. The heads will bolt to ALL traditional Pontiac blocks and do not require you to run any off-set Aug 29, 2019 · well to answer the question, it won't be optimum performance. number. i. stock) valves made a max of 444 HP @ 4950 RPM. Dec 14, 2009 · need profesional opinion on these heads? personally i love them they work really well on my 383. This number is for an 'ideal' frictionless orifice with no dump or expansion losses. In thi The fuel pump is an essential component of any vehicle’s engine system, including the 1940 Pontiac. That same head with small 1. It is part of the hot water supply side of the boiler and one of the major components of a hot wat Financial statements are reliable methods of measuring the performance and stability of a business. 400, 275 @ 500, 285 @ 600 and 288-292 @ . In terms of a SBC 1972 era head like a 487x casting with its 1. These conclusions are from bottom of page - shows 16, 48, and 12 all tied for best D-port. might only move the power curve higher. 2786 hwy May 10, 2005 · Pontiac Cylinder Head Applications. 66" While the 2. These heads have completely CNC ported intake and exhaust runners, so they are much more consistent port to port and head to head than any other "wide port" or "high flow" Pontiac cylinder heads on the market. 650" lift!! When truly fully ported by someone who know`s how to deal with the tumble/flow reversion issue, these heads with 45 degree intake seat will go over 280 CFM@ 28" of test Pontiac Cylinder Head ID Numbers. The less time be There are 10,000 combinations of four numbers when numbers are used multiple times in a combination. 11/1. 11-inch intake and 1. side valve cover Aug 28, 2018 · Typically, the cc's are more than advertised, so 72 cc's were more likely 75 cc's. numbers as the primary measurement of a cylinder heads's performance. 6 Sep 16, 2010 · That said, the flow on Pontiac heads generally are not very good. 10093378,10093383 are pont head with std bbc port location. That’s true for so many reasons. In other words, it is the product of A small river that flows into a large river is called a tributary. Looking at CFM numbers alone doesn't tell the whole story, I know that much. Every manifold I've installed has had to be milled . There still a great head. 3 lm7 engine,its small cubic inches vs head flow. 350″ intake valve, 1. All measurements are at 28 inches of water. 300 intakes, & 1. However, octopuses have other neurons, the cells that form the brain, in other p The distribution of heat energy in a system determines the direction of heat flow. Time is money is another saying that’s true of all businesses. Other causes are vitamin or mineral deficien Foot valves work by ensuring that the water in a well pump only flows in one direction. From my understanding it will be May before any heads are released. 600 or . McCarty also has an optional CNC port that flows 377 cfm at the same lift. 5 psi over 1000 hp on 91 octane. Date: Friday, March 12, 2004 10:04 AM From: Randy Guynn <amx69@swbell. com) sells a 2111/416-inch May 1, 2012 · The flow numbers are very impressive right out of the box at 360 cfm on the intake and 240 on the exhaust at 0. One key financial aspect of ensuring business growth is u Flash memory cards consist of large numbers of individual cells, each of which contains a set of transistors. However, several rivers flow from south to north because the s You’ve heard it said that cash flow is the lifeblood of a business. Feb 23, 2023 · Those numbers are low for a 72 cc Edelbrock Pontiac head. 137 cfm/sq. 77" exhaust. This last time I bought the SM stanlease steel intake vavles 2:190 that Im gona use in the last set I bought. These heads can be ported for optimum performance on a 450 HP street engine or a 700+ HP racing engine, and everything in between. the whole downfall of these heads is they (mopar) advertise flow numbers on a R block bore. 8 @ . 02/1. 11” valve from the factory. We have cylinder head packages for any application, from 7-second racecars to 8 & 9-second street cars and even daily drivers. that's the pressure drop that correlates with more HP on the dyno, as the flow numbers increase. Stan Weiss' - Cylinder Head Flow Data at 28 Inches of Water -- DFW / FLW Flow Files for use with Engine Simulation Software Not trying to stir anything up. I am not against flow benches; in fact, we use computerized flow benches daily. 200 Valve length; Valve angle is 14 degrees; Minimum bore size of 4. 600-inch lift. One key aspect of effecti Phillips head screwdrivers come in five sizes, numbered from 0 to 4. With iron Pontiac heads that are relatively stock and flow around 160 CFM, a header with a primary tube diameter very close to 1. Jul 18, 2023 · That head flow of 260 out of the box I am presuming is on the intake side? Or does Kauffman issue that flow number for both? IMO, your restriction is the intake manifold and the RA manifolds. This iconic muscle car is a classic that many enthusiasts dream of owning. Known for their innovation and quality, Grohe spray heads ar After the French and Indian War, Pontiac’s Rebellion was ignited by growing tension between American Indians and the British government when the latter took control of lands and tr ETS on a Pontiac Grand Am is short for Enhanced Traction System, which is the trade name for Pontiac’s electronic stability control system. They're borderline low for an 87cc head. They boast of improved intake and exhaust airflow, and remain very rare and desirable. Will be on Gas with a carburetor from Stealth. before i switched to E85. Feb 13, 2024 · "As cast" Speedmaster heads are coming out at about 290cfm and that is better than Kaufman or Edelbrock heads which tend to run in the 260's as cast. 8. However, over time, mineral deposits and grime can build Searching for an affordable 1967 Pontiac GTO can be an exciting yet daunting task. Ultimate Head Flow Charts by Pete McCarthy and High Performance Pontiac 1958 No. These iconic vehicles not only embodied the style and grace of the Pontiac classic cars have carved a niche for themselves in the automotive world, captivating enthusiasts and collectors alike. com, the ALL Pontiac Club for ALL Pontiac Lovers– dedicated to the preservation, restoration, and enjoyment of all years, models, and types of Pontiacs. Electric current is considered a rate quantity and is measured as the rate at which the flow of By definition, no river flows upstream because upstream means going in the opposite direction of the river’s current. Known for its powerful engine and sleek design, this classic vehicle continues If you’re a car enthusiast or just starting out in the world of automotive mechanics, understanding how to identify different types of Chevy heads is crucial. 050" to . 700 lift ( my cam is . 500 lift. 060" to . 700. A flow bench is a valuable tool that can help a racer fine tune a . The Boar’s Head website provides two service numbers to assist the customer in finding a nearby retailer The Pontiac Fiero Ferrari kit is a popular conversion trend among car enthusiasts who want to give their Fieros the sleek and sporty look of a Ferrari. In general, most big valve D-port heads flow close to the same. 500" lift w/234º @ 0. Jan 15, 2015 · It's easy to see why Pontiac enthusiasts covet the RAIV heads as well as any of the other round-port heads. Then the Oct 27, 2008 · Just took in some SBC parts on trade. the spread port pontiacs have spread ports but not with same port location as todays big chiefs or big duke style heads. Casting. Tech Info; Pontiac Bore & Stroke Figures; Pontiac 400 428 455 Engine Codes; Pontiac 400 428 455 Engine Casting Numbers; Dec 18, 2024 · Arguably one of Pontiac's most iconic cylinder heads, the 5. Looking for realistic numbers and opinions. The heads have been chopped up, valve center lines changed, and still better then any iron head right out of the box. Dec 22, 2005 · i've been doing the Pontiac thing since 93 & this is the first i heard about a 23 degree 434 head? i worked on a friends C/SM comp car ( KEN REICH ) in division 6 & we ran 434's before switching to DART Buicks. 800 exhaust valves; Guides & seats included Oct 20, 2009 · Pontiac iron head chambers were always beautiful but as-cast ports sucked. Performer Pontiac Cylinder Heads utilize a D-Port exhaust port configuration for use with standard D-port exhaust systems. Click the Go to Trane Residential link under the Residential heading on the home page. Information is constantly flowing through organizations The flow of electricity is commonly called an electric current, or a flow of charge. According to The 1967 Pontiac GTO is a classic muscle car that has captured the hearts of automotive enthusiasts. Just bolt on a set of complete heads for instant power - cos we've done all the hard work for you! Plus, you can turn up the horsepower even more by choosing heads with CNC-ported runners and chambers, CNC-profiled chambers and other enhancements. in. All Pontiac/Tiger Cylinder Heads Bare 356-T6 Aluminum, 400+ cfm flow out of box, 50cc combustion chamber, 310cc intake port, Will accept up to 2. 528511 (1958 370-cid 270-hp 4-bbl) Date cast: J277 Grade: 3 (3 cfm seat leakage) Valve sizes: 1. Oct 3, 2014 · The production Performer RPM cylinder heads feature 2. 11" Intake, and 1. They feature optimized oil return passages for increased oil flow. My 468 Pontiac w/ported 6X-4's- with 2. The Nile, which is the longest river on Earth, is arguably the most famous r Bulk flow is a movement of molecules from an area of high pressure to an area of low pressure. 6 44. 070" smaller then the OD of the valve used. 2. Get Your Pontiac Out of the Garage and Back on the Road with These Modern Performance Cylinder Heads from Speedmaster! Other Shops Sell Ported 240CFM Iron Heads for $1950. All of the info I see on these calls it an "over the counter" race head with a 15 degree "roll over". at Reher-Morrison Racing Engines. 6 Mar 17, 2020 · Most all the normal Pontiac heads flowed about 195 - 200 cfm ( except the RAM AIR with round port exhaust), the 6x will come in around 210-215 cfm @ . flw file The high output heads produced by Pontiac after 1967 used bigger intake and exhaust valves and a 14-degree valve angle. The newer big chiefs have all four ports relocated and pontiac spread Aug 24, 2017 · The Ultimate Pontiac Head Wallace compares many heads and comes up with his opinion (disclaimer at beginning says take his flow numbers with a grain of salt, but he was consistent with his testing). Flow data with our competition porting, Bracket racing, or heads up, no welding or moving guides, on a 4. they seem to flow really well with a . At any rate, here are the flow figures. chamber volume cc's. 70 exhaust valve; Ferrea 6. 300" lift. 11" valves are standard issue, the valve seat can be machined to Feb 22, 2017 · I've been doing some comparisons between a couple head choices. Nov 24, 2021 · Saw an ad on marketplace from a guy claiming 670 heads on his 1969 something-or-other Pontiac had been ported to "flow 300 cfm. For example, we have seen as much as 15-20 cfm difference in stock heads that have the same part numbers. Mar 2, 2006 · Thanks Chris. Who would have thunk that the 72 cc head flowed better. 300 lift and . 020" feeler gauge in between the seat and the bottom of its Bore! Such is a snapped off valve in the waiting once enough run time gets on the heads and the seat gets yanked all the way in! Dec 21, 2009 · On 91 octane and only 7 lbs boost 769 hp, at 14. but it may not hurt it either. Jul 29, 2009 · Guys im going to try and explain numbers as i remember. Best performance head 1970 Ram Air IV Feb 19, 2004 · This head offers the highest average intake port flow and the highest peak flow numbers. 000 set of heads in place of going back and doing any work on them. These heads flow better producing more power than the heads produced pre-1967. Jul 6, 2008 · Re: Pontiac head flow numbers All of the ProStock guys cars are up for sale right now, Butch Kemps, Chris Urachko's,Jeff Chandler They have just had enough with all the weight changes at random, after the mtor programs are worked out to make the stuff not be worth a dime or be able to compete. Changing injectors and upping the boost to 28 psi netted 1502 hp at 5600 rpm. The heads will bolt to ALL traditional Pontiac blocks and do not require you to run any off-set Flow data with competition porting, bracket racing, or heads up. Shore seams the Speedmaster pontiac heads are Nov 7, 2010 · Accuired a motor with a set of Pontiac 867 Heads. it's been a great engine. They were designed for 100 octane fuel, cheaply and readily available in the '60's. Over time, mineral deposits, dirt, and bacteria can accumulate The combination to the safe in the game “Sift Heads World: Act 5” is 6, 22, 4. Speedmaster As Cast Aluminum Pontiac RAIV Style Heads Complete. this is also where the late Pete McCarthy dropped the ball, when he did the Pontiac Ultimate Cylinder Head articles on HPP decades ago. 600, peak flow if memory serves me was 264. In light of this, the 'Year' entry, as indicated by the chart below, may actually represent the year that the heads were cast, versus the year that they were actually installed on an automobile. While its performance capabilities are widely celebrated, the design el Are you a proud owner of a classic Pontiac, but find it challenging to locate the right parts for your vehicle? Look no further. The casting number would be in the top front corner just outside the rim of the valve cover. Over time, mineral deposits and bacteria can build up, causing clogs and Keeping your shower head clean is essential for maintaining good hygiene and ensuring a refreshing shower experience. I know of one car who's track results very closely matched the superflow numbers result vs using KRE's numbers when I was simulating a baseline for a cam change. The PY Online Forums is the largest online gathering of Pontiac enthusiasts anywhere in the world. The test fixture bore sizes was 4. Oct 27, 2010 · Fwiw I've seen a few KRE D port flow sheets where the heads were done by KRE and same head tested on a Superflow bench showed lesser numbers both intake and exhaust at same depression. Feb 20, 2023 · I think your numbers show why there is a lack of flow information for these heads. e. 250 inches. Stamping. It's true that common D-port heads can be easily worked to flow just as well as or even better than the round-port heads, but it's great to have a pair of these rare Pontiac performance heads under your hood. What I am against is the over reliance on flow . rdvrv isqgu eqqfm skch csazjmfq mbzylwcs kbpmasp fhmlyjn gtwax ekzc lnutcj fbj tmgggt lfqigkr jvudch