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#1 |
Registered Member
Join Date: Mar 2002
Posts: 28
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![]() I have had Ford Motorsport 3.55 gears put in my 1990 GT and it pushed the speedo 10 mph fast. I was given a black speedo drive gear to replace the white one in the gearbox, but this was not really any better. I have since fitted 17 inch wheels with 235/45/17 tyres and the speedo is now being ignored!! Does anyone know what type of gear I should be using??
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#2 |
Junior Member
Join Date: Mar 1999
Location: Ventura, California
Posts: 8,981
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![]() The black 20 tooth gear is the correct one, but with those tires, you'll do better with the pink 19 tooth gear.
Take care, ~Chris
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Webmaster: Rice Haters Club Jim Porter Racing Peckerwoods Pit Stop Support Your Local
RED & WHITE! |
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#3 |
Registered Member
Join Date: Mar 2002
Posts: 28
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![]() Cheers
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#4 |
Junior Member
Join Date: Mar 1999
Location: Ventura, California
Posts: 8,981
|
![]() It's what, about 8am there right now?
__________________
Webmaster: Rice Haters Club Jim Porter Racing Peckerwoods Pit Stop Support Your Local
RED & WHITE! |
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#5 |
Registered Member
Join Date: Aug 2001
Location: Huntington NY
Posts: 573
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-1993 Mustang, 900rwhp 03-04 cobra based 4v swap, full Griggs setup, project underway -1994 Ranger w/ 427cid windsor (daily beater) check it out! |
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#6 |
Registered Member
Join Date: Mar 2002
Posts: 28
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![]() It was 9:00am I think, this forum seems to be in GMT for some reason!!
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#7 |
Registered Member
Join Date: Mar 2002
Posts: 28
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![]() Really strange!! I was given a black gear to fit when I had my gears done, by a race car builders who knwo all about Mustangs, I can only assume it was a 20T one, but the speedo is still 10mph fast, I have 235/45/17 on my car and the Hanlon Motorsport website says thats what I should have. If I had 245/45/17 then I would need the 19T one, think I might just buy one anyway to try and solve this mystery!!
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