Diesel Engine - Revised Cylinder Heads for Replacement

Number 83-I-108 Section 6B Date 07/83
Subject: CYLINDER HEAD REPLACEMENT - GM GOODWRENCH 5.7L (350) DIESEL ENGINE
Two (2) new cylinder heads have been released for service for the GM Goodwrench 350 diesel engine. The new cylinder heads (part numbers 22523637 and 22523638) have different dowel pin locations than cylinder heads previously released. Previously released cylinder heads may be used on the GM Goodwrench diesel engine by changing the dowel pin locations in the block to agree with the holes in the head. DO NOT install heads without the dowel pins.