Thread: stripped hole in head
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Old 02-02-2014, 06:54 PM
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Ralphy Ralphy is offline
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Join Date: Aug 2009
Location: Atlanta, GA
Cobra Make, Engine: 86 Everett Morrison 90" WB. 428 FE
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If the original helicoil was drill and taped out of square. The bolt could have loaded the helicoil to one side heavily and started pulling the cast thread out. Then the valve train hammering the hell out of it. Just a thought!

You have a solid lifter motor also no?

Ralphy
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Last edited by Ralphy; 02-02-2014 at 08:56 PM..
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