Tachometer calibration - The 1947 - Present Chevrolet & GMC Truck Message Board Network

03-07-2024, 04:00 AM

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Re: Tachometer calibration

Quote:

Originally Posted by leftybass209

I can add that, I have a tach that was reading low, also HEI. I assumed the board was bad and replaced it, using a new board from Cajun Tach shop. It still reads exactly the same, and has a hangup where it will freeze.

I assume the issue is with the physical mechanism needing recalibration, not the electronics.

Oh goody. I have one of Cajun Tach Shops new Circuit Boards for my tach and was hoing was going to sure my not reading accuaratly problem . I am using a Petronix stock look distributor.

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