3 valve heads?
Thread Starter
Launching!
Joined: Mar 2004
Posts: 231
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From: Exton, Pennsylvania
3 valve heads? Hi everyone. I tried doing a search for this, but it seems that currently there is a problem with the search engine or something, so I figured I would just ask.
What happened with the 3v heads that were originally supposed to go on this car? At first I remember hearing a long time ago that they would be on all the Gen IV engines, and then later on it was said they would at least be on the ls7s. I remember seeing pictures of them as well. What happened to the R&D behind these heads, and why weren't they used? Anyone have any links to any pictures or articles on the heads?
I would they would make a great head if the aftermarket got a hold of the design, and there weren't any problems with them that I am not aware of. They should just bolt up to any lsX engine as well, at least if I am remembering correct, because the bolt patterns were the same, and the two intake valves were only controlled with one pushrod.
What happened with the 3v heads that were originally supposed to go on this car? At first I remember hearing a long time ago that they would be on all the Gen IV engines, and then later on it was said they would at least be on the ls7s. I remember seeing pictures of them as well. What happened to the R&D behind these heads, and why weren't they used? Anyone have any links to any pictures or articles on the heads?
I would they would make a great head if the aftermarket got a hold of the design, and there weren't any problems with them that I am not aware of. They should just bolt up to any lsX engine as well, at least if I am remembering correct, because the bolt patterns were the same, and the two intake valves were only controlled with one pushrod.
Teching In
Joined: Apr 2005
Posts: 5
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Originally Posted by Nasty N8
They just plain did not work correctly the head design they have out performed them. No need to fix a good thing.
Nate
Nate
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Originally Posted by 3valGenIv
That is very interesting. I would like to know where you obtained that information.
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SSU'S Vice Mod
Joined: Jul 2004
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From: Hazard Co. Maryland
Originally Posted by Fulton 1
Hmmm, I'm going to go out on a limb and suggest that Mr. 3valGenIv has some inside knowledge that he's not sharing... Am I off base?
Or is an internet troll and there are many of them
j/k. It really is hard to beat a big port 2v design for a big cube engine, and keep it 1) small / compact, 2) cost effective, 3) simple to work on 4) interchangable parts. That being said, the big big big cube engines that you'd find on WWII Fighter Aircraft engines (well, the V-12 and v-16 stuff, not those wicked cool and hard to understand radial engines like the P&W 2800) used DOHC deisgns. But when you have cylinders the size of the econo size coffee cans, a huge centrifical supercharger, and the need to pack as much air in @ alt. as possible (46,000 feet sometimes) you need all the valve area that you can get. Then again, I'm sure I don't need to tell Fulton 1 this, if the name implies what I think it does 
