Originally Posted by
oldgold
383 scat crank 5.7 stock floated rods speedpro flattop pistons 64cc head
rods 2.5 mains 2.0 clearances ran on engine stand 2 hours 2,000 rpm 65 psi oil pressure 150degrees water temp. installed in car ran again for 1 hr. took to track in warm up laps ran about 8 laps before oil pressure lite came on. tore down 2 spun bearings all new stuff why? sucking air in corners, oil pump trash only spun 2 bearings 3-4 if it was starved wouldnt bearings farthest away from pump be first to spin? block was line bored, crank was crack checked checked for straightness polished .