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Zenith TIN Proper O-rings Sizes
The typical Zenith TIN rebuild kit has the wrong size O-rings for the Idle Mixture Screw and the Accelerator Injection Tube. After measuring the hole and shaft sizes, I tried a few ones out and selected the best fit. They worked great.
Here are my results: McMaster Carr sells metric O-rings that fit. They are really cheap.
Idle Mixture Screw : 1.6mm thick by 2.2mm ID
Injection Tube: 2.0mm thick by 3.0mm ID
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Mike
'82 911SC, SSI, 22/29 tbars, 22F/22R Adj swaybars, Bilstein Sport, Elephant polybronze & monoballs, Cambermeister bar, turbo tierods, Carrera oil cooler, front brake cooling ducts, Sparco Sprint 5 & Recaro SRD PAX seat, Teamtech harness, DAS Sport rollbar.
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