Cobra jet heads 460 ford

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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. Of perhaps greater significance is their superb mid-range flow characteristics see table below.

Cobra jet heads 460 ford

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? I'd like to stay aluminum and I do want to keep the price down as far as possible. Let's not get into which head is supposed to flow a couple more cfm than another. As far as I can tell the rpm heads seem to be the best bang for the buck, assuming that the quality is there.

By the mids, Ford product planners and engineers saw the need for new technology in its big block engines. Sponsored content.

Log in. Sign up. Home Forums FFCars. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. Anyway, is there any reason that these heads cannot be used on a with the torker II intake?

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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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You may also opt for a stud girdle for two-bolt main blocks. Always good to inspect the pump and measure clearances before installation. Deals Forum. Author: Jim Smart. Mountain motor match race pro stock cars were the fastest of any car at this time as Pro Mod was a good bit in the future. Love my fords. Charles P Taylor says:. The bottom line is this: this is the best flowing, most powerful, user friendly wedge head out there. AVS Forum. Wilhelm says:. The lines were mixed with different castings that were not all finished the same style occasionally. The bottom line is this: this is the best flowing, most powerful, user friendly wedge head out there. Trick flow heads are 75cc right? Advanced Search. From what I can tell the Cobra jet style heads flow a little better in the exhaust side and that's it.

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.

I still love to rework them and try to improve the design. We then set up a program to CNC under both seats, down in the bowls and to the top of the short turns. With the P head, some of the intake ports will be smooth and quiet all the way to. Although dyno time is not cheap, it is necessary for proper break-in. The intent was low-revving luxury power. Ford took the 90 degree Fairlane small block blueprint and grew it to big block size. We have reasonably well achieved that goal. This chamber size also permits experimentation with different compression ratios: employing slightly dished or slightly domed pistons as desired. From what I can tell the Cobra jet style heads flow a little better in the exhaust side and that's it. At this time no door slammer had ever gone quicker than 8. The run would be made while some of the CJ blocks were partially machined on skids. These ports have been cleaned up and port-matched for improved flow.