Originally Posted by Shaffer's1950
Phak1: do you know the Wrench size (opening)? So I can fabricate one.

Sorry, but that was five years ago. I’m not at home so I can’t measure it, I failed to document it (shame on me) and my memory is not that good.

Fortunately it’s easy to measure with a caliper.

Last edited by Phak1; 04/14/2026 6:02 PM. Reason: Typo
Phil
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1952 Chevrolet 3100, Three on the Tree, 4:11 torque tube
Updated to: ‘59 235 w/hydraulic lifters, 12v w/alternator, HEI, PCV and Power front Disc Brakes
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