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[GMCnet] Anyone had problems with the rocker arm pivots? [message #284448]

Sun, 09 August 2015 23:14

BobDunahugh

Messages: 2465
Registered: October 2010
Location: Cedar Rapids, IA

Karma: 11

Senior Member

Today I assembled the 455 that's going into Glenn, and BJ's old GMC. And I found 3 of the steel rocker arm pivots bent. This condition caused the push rods to be damaged because the push rods were in contact with the cast iron heads. So I installed the stock aluminum ones from the downer 455. I just don't see how the pivot's got bent. Any ideas?Bob Dunahugh
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