Cylinder Head - Replacement
Number: 83-I-97Section: VI
Date: July, 1983
Subject: CYLINDER HEAD REPLACEMENT - GM
GOODWRENCH 5.7L (350) DIESEL
ENGINE
TO: ALL CHEVROLET DEALERS
Two (2) new cylinder heads have been released for service for the GM Goodwrench 350 diesel engine. The new cylinder heads, P/N 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.