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i have a 1970 lincoln 460 going into a 68 highboy 4x4 looking to see what heads to use and also intake and carb.the motor has flat top pistons and a rv cam.looking for low to mid range torgue.
 

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Motor came with small chamber ( D0VE ) heads, you will need to get a set of D-3 heads, if you use D0VE heads you will have to high a CR for cheap gas. The D3VE 1973 and later ( but not EFI heads ) is what you will need, this will lower the CR back to a reasonable level. As a plus the later heads have hardened seats already where-as the earlier ones don't. The stock intake should work, there are also a lot of aftermarket, just use a dual plane, the carb will probably work out to be about a 670cfm with vac secondaries. Hope this helps.This is assuming that you aren't looking for a max power build but a fun and peppy motor. Where you want to end up will largely determine these choices.
 
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