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Author
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Topic: spedo gears?
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skeletor1987
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Member # 6597
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posted
 
 
when upgrading gears from stock to somthing like a 4.10 or a 3.73 i was wondering what else you need to change with it to read the correct speed for a 1987 ford mustang 5.0 five speed?
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1987 White LX Hatch
1993 White Mazda Miata
Posts: 100 | From: oakland | Registered: Mar 2006
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two-gun kid2
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Member # 5891
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posted
3.73-21 tooth white gear
4.10-23 tooth white gear.
Posts: 5566 | From: Hayward,Ca | Registered: Jul 2005
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adower
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Member # 5955
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posted
quote:
Originally posted by two-gun kid:
3.73-21 tooth white gear
4.10-23 tooth white gear.
do you know for 3.55's off the top of your head?
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98 Cobra
Griggs
S Trim
HRE
Posts: 3327 | Registered: Aug 2005
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JohnB
Tech Moderator
Member # 969
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posted
3.55's are a 20-tooth.
Remember though, this is all based on you having a 1987 model transmission...if you have a 1990 and later, it's completely different.
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1965 Shelby Cobra
1993 Cobra
2012 F150 Raptor
2020 GT500
Posts: 6523 | From: Orlando FL/Redding CA | Registered: Mar 2002
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