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Does the crankshaft position sensor need spacers?

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Old Mar 4, 2024 | 04:19 PM
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Default Does the crankshaft position sensor need spacers?

I measured the clearance to be 0.004" between the end of the new sensor and the OD of the reluctor wheel. Should there be more space between the two or doesn't it matter?
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Old Mar 5, 2024 | 07:58 AM
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Not a definitive answer, but I just replaced mine and everything I read said the Delco replacement sensor was a perfect fit and no one mentioned tolerances. Just swapped it in and no issue, just did the sensor relearn and all is good.
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Old Mar 5, 2024 | 09:37 AM
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Many thanks for the reply, the new sensor is going in today.
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Old Mar 5, 2024 | 11:14 AM
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Never heard of anyone using spacers. If you have so much runout at the flywheel that you need a spacer, you have much more serious internal engine problems to address than a spacer!
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Old Mar 7, 2024 | 10:26 AM
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https://ls1tech.com/forums/generatio...earance-s.html
Another with the shim part #
https://ls1tech.com/forums/generatio...tor-wheel.html
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