VSS Question!
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TGO Supporter
Joined: May 2002
Posts: 495
Likes: 1
From: Vancouver, BC, Canada
Car: 1988 IROC-Z Convertible
Engine: 408 Stroker Turbo, TPIS Mini Ram
Transmission: Magnum t-56
Axle/Gears: Ford 9" 3.55
VSS Question!
Hi there
I just did a swap on a 91 Z28. I changed the rear end from a 2.73 10bolt with drums to a 3.27 9 bolt with discs. I was wondering how I would go about fixing the speedo difference, do I just change the VSS OR is there a box between the VSS and the speedo itself that calibrates the gear ratio? Any help would be great! thanks!
its electronically driven and the one from the 89 GTA I took the rear end from doesnt fit the 91
I just did a swap on a 91 Z28. I changed the rear end from a 2.73 10bolt with drums to a 3.27 9 bolt with discs. I was wondering how I would go about fixing the speedo difference, do I just change the VSS OR is there a box between the VSS and the speedo itself that calibrates the gear ratio? Any help would be great! thanks!
its electronically driven and the one from the 89 GTA I took the rear end from doesnt fit the 91
Last edited by IROCNParts; Jan 7, 2005 at 12:31 AM.
Supreme Member
Joined: Oct 2000
Posts: 3,819
Likes: 3
From: Angleton, TX
Car: '92 RS
You have to change the speedo gears themselves to the right combination for those gears. Someone will chime in with the right ones, but you could probably do a search for them too as I know its been posted.
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