*4 -- These flow numbers come from … There's a whole movement that retro-fits Magnum heads to the earlier LA engines with favorite casting numbers like the 466, 671, and 714 heads. Big Block Chevy Spread Port Porting ProgramsCHEVY GM SMALL BLOCK Porting Programs This was the cam I used last time in my 1980 Chrysler New Yorker, with edlebrock performer intake and holley carb with XXX302 casting heads bolted on, it woke the 318 up but was a heavy car with a 2. The C6DE-C and C6DE-E heads are Thermactor smog … Raw, unported stock heads. Read the tech article on a Mopar Max Wedge Cylinder Heads Guide, brought to you by the experts at Mopar Muscle Magazine. We bring this up because it is a common question, but ill advised … Ultimate Pontiac Head FlowsDisclaimer: Take these air flow readings with a grain of salt. Manufactured in the USA, by Edelbrock, these heads feature A356 … The Edelbrock's intake-flow numbers are decent, although not on a par with the other three aluminum heads, and still performed well despite having the largest intake-port cross-sectional … Small Block V8 (221, 260, 289, 5. PEANUT PORT HEADS WITH RECTANGLE PORT GASKET ABOVE 346236 1975-87 454 Open 113cc . Chevy cylinder head Identification - Small block casting numbers, Big block cylinder head, camel back heads, double hump heads Edelbrock Alm. I have seen a lot of different numbers. This is our first aluminum Pontiac head casting that we have brought to the marketplace. It recently ventured into the D-port … Cathedral port cylinder heads have been mistakenly dismissed by many in LS-series circles for being “old-tech. The casting '6025' doesn't mean much. The readings may be 10% high. Although you can distinguish the head class or type, you cannot identify if it is bare or complete, nor can you identify chamber sizes. I also … Edelbrock Performer D-Port Edelbrock has produced its roundport replacement Performer RPM cylinder heads for several years, and it has been a very successful endeavor for the company. 500" . Will double hump heads with a casting … *1 -- These flow numbers come from Magazine Data. When I look 6156 up, I can only find 61569 are these an older set of Edelbrock’s? Also has … Buick, Chevrolet aluminum 10-degree heads, 235cc intake ports. The … We'll be performing our testing on the Superflow flow bench at Auto Performance Engines, so the numbers you see are real-world flow numbers for popular Mopar big-block cylinder heads. Note the flow on our fully CNC ported heads). My understanding is that Edelbrock sells the castings … Guys, Dave "Dirt" Reynolds has suggested that we devote some space on the message board to Vortec heads. The guy claims that he has a set of edelbrock heads with the following casting number on them: D8VE-A2A. sources. Check out this article on how to choose the right cylinder head for a classic Mopar performance Dodge, Plymouth, or Chrysler, from Mopar Muscle Magazine. Casting # is 3857656 and the heads are 3819333. The most common modification done to these small-block Olds castings is to install the 2. The 1970 to early-71 heads with 51cc chambers (casting number 319-6291), and the mid-70 to mid-73 … But if you compare the heads across the board, the Edelbrock heads outflow the W2 heads at almost every other point during the cycle. Casting numbers changed to C5DE-B, C6DE-G, C6OE-M, C6DE-C, and C6DE-E in 1965–1966. The casting number is a 6 to 8 digit number, usually on one of the intake runners, often behind the carb, and usually near a raised CFD and star (dot with radiating lines). This is a C0AE-6090-D cylinder head for 1960 352 and 1961–1962 390. 19 intake valves and stock 1. Edelbrock head identification help Early V8 (1932-53) Sponsored Links (Register now to hide all advertisements) 8BA Edelbrock head clearance Early V8 (1932-53) Link to download complete library from this category is located at the bottom of the page. a set of untouched 3196291-c heads (52cc dogleg heads made in 1970). Trying to find a reliable/accurate source for block casting numbers and years of manufacturing. 6156. Hey guys, My buddy's got a pair of Edelbrock heads he wants to sell me, but they came off the car after he bought it and he thought they were RPMs, I think they're just performers. I … Add your specific engine to find Edelbrock parts that fit. Some heads do not respond to our C. Note: The LA heads can be adapted to the Magnum blocks if the block is drilled to feed oil to the heads, some of the early ones were. The valves were unshrouded leaving the chamber volume at 104 cc's. They can be quite confusing. 600" . Its only on the top of the head. … There are many questions regarding the types of Edelbrock Aluminum Pontiac Heads. 200 The best stock (OEM) 429/460 heads are the CJ (or SCJ) heads that have casting number DOOE-. Notice how close the Stage 1 valves and they almost … Selecting the best cylinder head for your application takes careful consideration and requires weighing many factors so you have the correct casting that matches your engine package.
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