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#7 |
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Registered Member
Join Date: Oct 1998
Location: Rogers, MN
Posts: 2,089
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Did you say what year your Mustang is and what kind of speedo it has? I have an 89 1/2 Mustang since it has an 140mph speedo. Charts tell me I need to go to a 20 tooth if I have 3.55 gears, but in reality I need to go to a 23 tooth. If you have an 89 with a 140mph speedo, follow the 1990 chart and not the pre-1989 chart for gears.
------------------ 351W 89 Mustang GT Convertible |
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