digital dash speedometer calibration
digital dash speedometer calibration
i have a 1987 trans am, 305 tpi, 700r4 trans...my speedometer is 5 miles over the speed you are going, and when you go faster the more off it becomes...i have the digital dash(very sweet), how can i calibrate the speedometer on this baby???
Joined: Jul 2002
Posts: 1,983
Likes: 6
From: Stamford, New York
Car: 80 SE/TTA;88 T/A GTA;86 T/A
Engine: 4.9L Turbo; LT1; empty
Transmission: TH350; T56; empty
Axle/Gears: 3:23 disk; 4:10 disk ; 3.42 disk
Re: digital dash speedometer calibration
You ever change the rear axle or axle gear ratio? Sounds like you need to replace the drive/driven gear in the transmission to correct the VSS signal to the dash. This is after you figure out exactly what gears are in the back.
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1987, adjustment, body, cable, calibration, connect, dash, digital, fbody, gen, gta, set, speed, speedometer, trans






