85 la roller cam 318, magnum heads with port work, kb hypo flat tops 0 deck .035 head gaskets so some wheres around 11.5 compression, big mutha thumper hr cam 235/249 @ 50 522/509 that will bleed off compression to a barley pump friendly level with good quench, should be ok! hughs spring kit, strip dom intake and a worked holly 650 duel line mechanical 2nds, too much compression, tooooo much cam, going in a 73 duster drag/grudge/street deal with 4:10 gears slicks and a stall, been scrounging for years bout 800 in so far and looking at 1800 tottle budget, and tired of waiting, saving for pistons now, then we'll find out!