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Miklo II 01-14-2014 03:07 AM

piston to valve clearance
Im got a good deal on a set of rebuilt 1971 472ci (76cc) heads. I havent bought them yet so here's my question. Ive got a 76 sedan De Ville bone stock. Like the title says, what issues will I run into by just swapping heads (76cc to 120cc block) alone? Can the 76 pistons (round dish) be used with the 71 soap dish heads or do I need the 71 pistons swapped in? I know this has been done before but the info I got was general, not specific enough.

Paul Lane (MTS) 01-14-2014 08:58 AM

Can be done but compression will be over 12 to 1. Low lift cam (under .460 or so) will have enough valve clearance

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