well its a 86 monte carlo, 700r4 trans and i already have the 650cfm 4165 d/p and why not ill go 6500 rpm on that 355 i mean its a 4bolt main but i got a edelbrock idle to 5500 manifold so i can always tune it down. would i have to buy new jets or just turn them down or what , im not too fimialar wit the whole holley seen just thes q-jet lol