#62 Heads on 389 tripower
Hello all,
I've revived my ambition to complete my 64 GP and was wondering if any folks had experience replacing the 345 heads with 62 heads on a 389?
389 - .030 over, ram air III cam (I believe)
Roller rockers (i'll have to swap the studs to the 62's)
65 tripower intake and carbs.
I am looking at using Felpro 8518PT gaskets
The 62 heads flow way better but are only 72cc. Still a few cc larger than the 345's.
Sealed power valve relief flat top pistons.
I don't really want to yank the engine. Just trying to get the CR under 9.9. I might have to use some boostane to drive it but that is still a long way off. I figured since the front clip is off i'd swap out those old inefficient 345's
Thank you in advance.
Adam
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It's hard to soar like an eagle, when you're surrounded by turkeys!
My wife says she'd llike my car a lot more if it wasn't mine.
 
64 Grand Prix 389 .030, 1.65 Scorpion Rollers, Tripower, RARE Long Branch, Custom Stainless Exhaust and mufflers, 3.90 posi 200-4R. 068 cam.
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