Originally Posted by allansmith859
If it is a 4 bolt main does that mean it has a forged crank??? If so how do you tell if its forged??? Is it mor beefy looking than stock???? Also I took a 350 out of a 95 truck. It was either a 3/4 ton or 1 ton but it was a 2 bolt main. It was original engine. Anyway could that have had a forged crank??? Or does GM like to mis match engines/parts like that
Forged crank has a very wide pating line that runs along the centerline of the crank where the dies came together, a cast crank will have a very thin parting line.