Re: my new OER tach is too slow
It's the buffer circuitry. A lot of times if you have an aftermarket one with a rock steady needle they will not keep up with the signal.
A lot of guys who used to by the Cobra tach that fits on the motorcycle I have got it because the needle was so steady. Then they found out that in first gear when they hit the rev limiter at 5600 the tach was just passing through 4000. I got a bumpy one that reads correctly.
Dart 400-AFR 195-224/224 HR-Powerjection III TB with F.A.S.T. Sportsman XFI
TKO 600-Moser 3.42-Detroit Truetrac
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'69 Camaro Beater-SFT 327-M20-Moser 4.10-sold
'02 Z/28 vert-stock-sold and totaled