Quote Originally Posted by Harvey Hicks
it has forged flat top pistons w 4 valve on top of the pistons and the intake is a holley Z-28 it's a duel plane w/a 700 double pumper turn down to a 678 cfm mated to the cam and gears. GM distribter with a high performance 50 thousands voilt coil and w/ the right stuff inside. thanks for letting me know stock push rods and 5.7 stock rods w/ arp bolts it has roads lifters and crane roller tip rockers 1.5 the block has been balanced and blue printed and honed and tork plated 0 decked on the block. Arp bolts all thou the motor it's a two bolt main and the crank turned down 10 thousand and polished i hope that helps. thanx again mooneye777
I would have to say your carb. might be to big.
I would say all you need is a 600 vac.
I would guess in the 325 area for hp.