Re: [AMC-list] 401 Crank into a 343 how to sought

["Armand Eshleman" <aje1@xxxxxxxxxxxxxxx>]

Another thing to think about when doing one of these swaps is which heads?

The 70 and newer dogleg heads breathe better, use 1/2 inch head bolts and 
are much more plentiful.

70 and early 71 360, 390 and 401 heads are touted as the best.

The 343 block could be drilled and tapped for the 1/2 inch headbolts.

Not sure how that works with intake manifolds.

or, after market aluminum heads??

Armand 

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