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ok, i'm new and i guess this has been covered, but i counld not find info in the search. i have seen the cleveland head convesion for the 351W. my question is is it poss. for the <a href="http://www.motorhaven.com/">302 </a>also? and if it is, is it also poss. to substitute modified heads in place of cleveland heads? i was thinking of the M heads because always heard the 302Boss's prob. was to big of ports for the street. thanks
Yes you can use the heads And if you can find an old <a href="http://www.motorhaven.com/">302 </a>Boss intake then it will work great with a few mods to the heads for the intake water passages..I think it's the intake that's going to hold you up ....Or you can Look for a set of Boss <a href="http://www.motorhaven.com/">302 </a>heads they have the water passages in them already...
Yes there are aftermarket ones available but I can't remember the company. They also made intakes for <a href="http://www.motorhaven.com/">351w </a>with cleveland heads.
The early 70 -71 351c 2v heads (same as M heads visually)due flow a bit better than the late model smog ones on the exhaust side.Remember the exhaust headers will have to be custom..The 351 C 2v ex.manifolds will work..351C 4v will bolt up but wont seal so those are out....food for thought.