Weight must be marked legible on each side of hood or fender
4 cylinder OEM block with stock manifold (intake)
Stock crank, max. rod lengths 5.7 (some run lighter cranks)
Ignition stock style electronic or points no MDS allowed (some have msd)
No roller tappets, wet sump with internal oil pump
Valves—steel only (no hollow valves)
Box stock head only—OEM—no porting or polishing
No aluminum heads on Ford engines
Last edited by mfrye44; 04-18-2011 at 03:28 PM.
Reason: txt
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