You are alittle more restricted with a V6 and may find that a 285 is a lot of cam, usualy the big V's take 1 cam lower compaired with a straight 4.
With the Pinto in a 7 a 285 is very streetable but will rev to 7000.
Any cam with more duration works better with more compression so some thinner gaskets will help but check valve to piston gap.
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