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Got engine apart. Trying to identify the engine and heads Engine says 3970010? Also says H48 and 88F20? Cant find Vin number i think it wore off Head 3947041?
Have a Eagle Crankshaft trying to identify(S-06-10-368). Also have Magnum Roller Rocker Arm: Chevy; 3/8" Stud, 1.52 Ratio and figured out have Speed Pro Pistons H345N H645N
Any help?