Tach question.
Cargo Master
Joined: Dec 2010
Posts: 2,123
Likes: 5
From: Fort Worth, TX
My tach is about 200 RPM fast. Maybe it is a ground issue. Shifts are a little late in my opinion. I have yet to mess with the sensor. I have a spare that I can swap in but no guarantee it is better than what I have now. This is one of those things I have been putting off since it is not a major issue.
Cargo Master
Joined: Dec 2010
Posts: 2,123
Likes: 5
From: Fort Worth, TX
Ground issue. Try running the ground to clean spot on the chassis, block or even battery terminal.
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