72cc or 76cc heads
72cc or 76cc heads
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Thanks guys, kinda what I was thinkin too but I knew if I asked here I would KNOW instead of guessing. Know anyone that might wish to purchase a comlete set of heads, just rebuilt, with adjustable rocker assys from DSC, bronze guides, etc.?
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Are you talking about the 352 cast into the block? If so then you probably have an FE engine which these do fit, like the 390 they are mounted on right now. The engine is still in the stand and has not been run yet. That is a 360 or 390, maybe some others, but there are guys here who can tell you a LOT more than I can.
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Joined: Jul 2003
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From: Colville, Washington
If they still have the stock size valves then they will fit the 4.00" bore 352. The CJ valves might cause cylinder wall issues. Although I think it would take a lot of lift to contact the wall.
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Originally Posted by Azguy54
Looking at installing the Edelbrock Alum. heads and see there are 72 and 76cc units avail at the same price. Any comments on which to use and why?
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Well, I left it in the hands of my trusty machinist, who is a pretty good head guy and race motor builder... he was recommending compression in the area of about 10.5 to 11:1 for my 390, with the aluminum heads, and instead of splurging on an expensive set of custom pistons, he shaved the heads down to 68cc and ended up with 10.6:1. He was planning on cutting them even if they had come in at 72cc as marked. But since then, people seem to cringe when I tell them that we cut a set of $1200 heads, so I don't know if that was the best thing to do or not. I never even questioned it, I just trusted him.