Cobra jet heads 460 ford

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Thread Tools. I'm considering purchasing a set of assembled edelbrock rpm performer heads OR cobra-jet style heads from Summit. What is the key difference between the two? From what I can tell the Cobra jet style heads flow a little better in the exhaust side and that's it. Second question is they say the springs that come on the heads are good enough for. Well I'm only going to be around the. What can I expect from these heads as far as quality is concerned, and do any of you have any suggestions as to another way to go for a comparable head?

Cobra jet heads 460 ford

There was also the MEL Mercury-Edsel-Lincoln fat block displacing and ci produced from , a low-revving luxury car monster mash that ultimately became a popular mill for marine racing applications. The MEL made brute low-revving torque for just about any application, which made it perfect for luxury cars. These engines were right for the time. In fact, the FE big block remains the standard for Ford enthusiasts and the aftermarket. At Ford, the abundant torque the MEL made worked perfectly in marine applications and for drag racers. It was also a quiet smooth luxury car powerplant long on twist for heavy Lincolns. It was incredibly quiet. By the mids, Ford product planners and engineers saw the need for new technology in its big block engines. They needed to be lighter with a less complicated manufacturing process. Ford took the 90 degree Fairlane small block blueprint and grew it to big block size.

For the first time, the series engine exceeded the cfm peak intake flow of the desirable Boss Have 7 TRW L April 8, at pm.

Earlier this decade, Kaase demonstrated their considerable engine-design talents when they corrected longstanding failings in the original series cylinder heads. For the first time, the series engine exceeded the cfm peak intake flow of the desirable Boss Kaase with Ford designated the new heads the Super Cobra Jet. In the intervening years and with ambitions to expand into broader markets, including the street performance arena, Kaase consolidated the gains made in the SCJ heads and continued to refine them. Now, with peak intake flow ratings of around cfm, the new Kaase P51 variants are available directly from the Kaase factory.

Log in. Sign up. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. I am running a 69 Mustang with Hooker headers, for a 73 Mustang. With mods made to the engine compartment and right frame rail these headers were made to fit snuggly with C9 heads. When I put in a with iron CJ heads the headers did not fit same as they did on the C9 heads but with only prying and slight dinging and 3 or 4" fits" they now inter-change. These headers fit real tight in a real tight space and there is no room for them to move up down or out. With raised ports on the aluminum heads I am afraid I will have a problem.

Cobra jet heads 460 ford

Log in. Sign up. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. What is the largest roller cam I can use with these heads.

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Once you have distorted the rings, they will not seal. I wouldn't mind getting the CR up to Gregaust Posts : Join date : For myself, after thirty eight years of building racing engines, this still rates at the top. Of perhaps greater significance is their superb mid-range flow characteristics see table below. A company in Detroit out bid us by enough that we were forced out of the project. June 22, at pm. Log in. We have reasonably well achieved that goal. Stupid keystone light. Kaase P Cylinder Heads.

Inspect, address potential issue. Low oil pressure after engine warms up. Engine needs to be pulled again.

Learn how your comment data is processed. December 26, at pm. Am told 8 exited the block violently. They are. The beauty of the Pertronix ignition is its simplicity and ease of installation. Author: Jim Smart. I have a thirty year history with the series cylinder head. The same scenario was possible with the Clevelands, 4 bolt block in a 2V production C. With the P head, some of the intake ports will be smooth and quiet all the way to. I pulled off the stock heads on my today and the intake ports are as big as eggs! Cobra Jet and Police Interceptor castings tend to be costly because they are so scarce, especially if you add port work to the price tag. I really don't want to sink almost as much money in my cast heads, just to get where I would be with bolt on out of the box rpm's. If we made the port a lot wider or taller at the short turn, that would fix the problem because the air speed would be much slower.