Tach reads double
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Joined: Jul 2018
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Car: 1991 camaro rs
Engine: 350
Transmission: 700r4
Axle/Gears: 3.73
Tach reads double
I recently purchased a 1991 Camaro rs with a 350 bored. 40 over and 700r4 trans. It runs fine but the one thing that bugs me is that the tach is reading double the rpm. My mechanic said it had to do with the engine build but isn't sure how to fix it. Anyone have any thoughts.
Joined: Dec 2004
Posts: 16,734
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From: Mile High Country !!!
Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
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Re: Tach reads double
I recently purchased a 1991 Camaro rs with a 350 bored. 40 over and 700r4 trans. It runs fine but the one thing that bugs me is that the tach is reading double the rpm. My mechanic said it had to do with the engine build but isn't sure how to fix it. Anyone have any thoughts.
RBob.
Joined: Dec 2004
Posts: 16,734
Likes: 993
From: Mile High Country !!!
Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Re: Tach reads double
The blue resistor iirc it’s 192k
Last edited by Tuned Performance; Jul 2, 2018 at 05:45 PM.
Joined: Dec 2004
Posts: 16,734
Likes: 993
From: Mile High Country !!!
Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
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Joined: Dec 2004
Posts: 16,734
Likes: 993
From: Mile High Country !!!
Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
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