I cant find my jack stands, and I'm too weary to go under the car to check with just a floor jack.
If your using those heads and cam, think more like 6000rpm for your peak HP. So I still say 373 your gonna hook fine.
Sky
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-1989 Saleen Mustang #406- TFS Heads, E-303, edelbrock intake,70MM TB, 73mm MAF, off road H, 2 1/4" exhaust, and 4.10's.
332RWHP@5500
351RWTQ@3750
Runs on 87 Octane!