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| Re: Factory tach reads half of actual engine speed? |
Subject: Re: Factory tach reads half of actual engine speed?
by ddgonzal on 2022/5/12 21:09:36
yes, all factory gauges are approximate. Ofter about +- 5%. The good news is that the Datsun factory tach has a user-adjustable trim pot on the back so you can easily dial it in
yellow arrow points to the adjustment. Use a small screwdriver
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