"I have an '87 supra with
"I have an '87 supra with a 351w and VDO gauges. I've notice that the tach is reading low RPMs. The gauge is consistent, no fluctuations, just a continual low reading. Idle shows 300rpm and WOT is 3500 (should be 4500). I haven't touched anything. Any thoughts?
Thanks"
"I have an '87 supra with a 351w and VDO gauges. I've notice that the tach is reading low RPMs. The gauge is consistent, no fluctuations, just a continual low reading. Idle shows 300rpm and WOT is 3500 (should be 4500). I haven't touched anything. Any thoughts?
Thanks"