Tach calibration??
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Posting Guru
Joined: Sep 2008
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Tach calibration??
Is there such a thing? I see a potentiometer on the back, can that be used?
I added the tack to my dash a few years back, stock tack from a similar year vehicle. I notice the needle for RPM is showing too much as compared to when I data log, the RPM is ~300 high at idle.
I don't have enough room to adjust the needle on the gauge, it is resting on the stop at 0.
I added the tack to my dash a few years back, stock tack from a similar year vehicle. I notice the needle for RPM is showing too much as compared to when I data log, the RPM is ~300 high at idle.
I don't have enough room to adjust the needle on the gauge, it is resting on the stop at 0.
Hotshot
Joined: Sep 2001
Posts: 11,958
Likes: 228
I have not seen any type of adjustment for the factory tach. I did notice in my old truck when I had a Sunpro tach hooked up at the same time I did a cluster swap that the factory tach did seem to read about 200 RPM higher.
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