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Author Topic: Check ball retainer screw thread size  (Read 1118 times)

Offline mcx

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Check ball retainer screw thread size
« on: January 07, 2021, 02:09:50 PM »
I picked up a basket case 73 Pontiac qjet with a leaded over plug on the stripped threads check ball retainer screw?...anyone know the stock thread size of the retainer screw?. I'm hoping to find a oversize insert to salvage this build. Thanks.
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Offline Cliff Ruggles

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Re: Check ball retainer screw thread size
« Reply #1 on: January 10, 2021, 02:05:32 PM »
Going from memory I think they are 1/4" fine threads but I'd have to go check one to make sure....
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Offline mcx

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Re: Check ball retainer screw thread size
« Reply #2 on: January 11, 2021, 04:56:38 AM »
Thanks...I believe it's 1/4-28.
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