05-31-2021, 12:41 AM
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CC Member
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Join Date: Feb 2006
Location: Gilroy,
CA
Cobra Make, Engine: SPF 2291, Whipple Blown & Injected 4V ModMotor
Posts: 2,645
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Not Ranked
Quote:
Originally Posted by Gaz64
You drill holes at the ends of the crack before welding the crack up, to remove the end of the crack, so the crack can't continue to crack in service, after the welding is done.
The crack is still evident under the weld if the ends of the crack aren't drilled.
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You're right Gary. I was solving a problem that did not exist! It is definitely a way to prevent a continued spreading of the crack after welding.
Ed
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