If you are talking about a '93-'95 Lightning shortblock, Ford says they can only withstand 400hp. If you are going to do a 351, I would at least get a 351 Sportsman block with a main support and that is good for around 800 fwhp with good internals.
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'08 Z06 bonestock:452whp 426wtq, Vortech T-trim:705whp 615wtq * '14 Mustang GT track car * '14 F-250
SOLD:'03 Cobra 284ci KB 2.2 711whp 701wtq * '93 Coupe R331ci Vortech T-trim 625whp * '94 Cobra 306ci PTK T-70 600whp
Last edited by WayTooSlow; 03-23-2003 at 09:03 PM.