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January 2nd, 2012, 12:44 AM
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#1 |
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Newbie
1987 Mustang LX
Join Date: Feb 2011
Location: Philadelphia
Posts: 30
 iTrader: 0 reviews
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Need Speedo Help, Any Suggestions??
I have a 87 mustang LX auto, converted to a 5.0 GT w/ MAF and T5. Still retains 2.73 gears, 225/60/16 tires (26.63 inches tall) have 140mph cluster and have no clue what gear I need and those calculators arent seem to be helping. My speedo is off by about 10-15mph (slower) at highway speeds, but pretty accurate around town. Any suggestions? please help this is very annoying
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January 2nd, 2012, 12:47 AM
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#2 |
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Hardcore Enthusiast
1992 Mustang LX
13.0 @ 105
Join Date: Jun 2010
Location: New York
Posts: 2,230
iTrader: 0 reviews
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Its because your overdrive is different. Get a matching speedo gear for a T5 and 2.73s.
__________________
As I lay rubber down the street I pray for traction I can keep But if I spin, and begin to slide Please dear God, protect my ride |
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January 4th, 2012, 01:07 AM
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#3 | |
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Newbie
1987 Mustang LX
Join Date: Feb 2011
Location: Philadelphia
Posts: 30
iTrader: 0 reviews
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January 4th, 2012, 07:00 PM
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#4 |
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Regular
1990 Mustang GT
Join Date: Jun 2011
Location: NE Oklahoma
Posts: 123
iTrader: 0 reviews
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I'm not sure about that, but you should have a metal tag bolted to your differential that should have your gear ratio on it.
Sent from my SCH-M828C using AutoGuide.Com Free
__________________
 1990 Mustang GT |
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January 4th, 2012, 07:50 PM
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#5 |
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I Post Entirely Way Too Much
1991 Ford Mustang GT
Join Date: May 2007
Location: San Diego, California
Posts: 6,063
iTrader: 0 reviews
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2:73 & 3:08
__________________
 DART 331ci stroker, AFR 185 heads, Trick Flow R intake, Accufab 70mm tb, 75mm pro m Maf, 30lb injectors, jba headers, 2 1/2" x pipe flowmaster super 10 mufflers, 255 fuel pump, 3:27 gears |
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