Correct, 86 and earlyer shortblocks had flat topped pistons with no valve releifs. You either have to flycut them or swap in 87+ pistons. Another easy option is to pick up a used 87+ shortblock for like $200.
__________________
04 Screamin Yellow Cobra
KB 2.4 (585/556 pump 626/666 race)
00R brakes, DFX clutch, Level 5's, return fuel system, Lts with 3" exhuast, FR500 wheels and all the other fun stuff.
GONE 1991 Lx sedan 5.0, 5spd (Liberty proshifted TKO) S-trim, Ported TF heads everything parted out.
|