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Fix screw holes in wheel center cap ?

Started by Racer57, September 23, 2024, 06:57:39 PM

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7E-Bodies

1970 Challenger R/T Numbers Matching 440 Auto in F8 Quad Green

mtull

Quote from: 7E-Bodies on September 26, 2024, 05:43:44 PM@mtull the ONE NOS center cap I was able to obtain had zero threads. I am under the belief that the factory bolt was machined in such a way as to cut it's own threads. That when combined with the less than desired pot metal (my term), these threads were made to fail. I am absolutely certain I did the right thing by drilling out the old threads slightly and inserting 1/4" helicoils into a freshly tapped 5/16 thread. The coils lock down incredibly.
Exactly the info I was looking for, thank you