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427 Crank

Crank journal roundness is checked at Katech not witha caliper, but a sophisticated air tool that uses air pressure to provide a more accurate "picture" of the journals' dimensions.In the case of the Value Short-Block's 4.00-inch crank, the rod journals need to come in between 2.0989 and 2.0994 inches, while mains' spec range is between 2.5590 and 2.5595 inches.
427 Chevy Short Block Engine - Seven Liter Foundation - Tech

 Crank journal roundness is checked at Katech not witha caliper, but a sophisticated air tool that uses air pressure to provide a more accurate "picture" of the journals' dimensions.In the case of the Value Short-Block's 4.00-inch crank, the rod journals need to come in between 2.0989 and 2.0994 inches, while mains' spec range is between 2.5590 and 2.5595 inches.  View Related Article

 

 

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