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#1 |
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Regular
Join Date: Apr 2007
Location: Quakertown, PA
Posts: 99
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What should i do to correct speedo for 4.10s???
I have a set of new ford racing 4.10's ready to be installed. I have a used sct x2 tuner than i need to get tuned but am told that i will not be able to use that because of the year car i have. I guess anything older than 98 has the options of a speedo gear, or a speedocalibrater, not even sure about this one. I have read that a speedo gear will not 100% recalculate for the gears... I am not even sure what tooth is needed for 4.10's. Does anyone know what tooth is needed for 4.10's in my car and what mph it will be off... And does anyone know about using a speedcalibrator for a 97? What should i do?
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steeda tri-ax, pypes catback & o/r x, BBK shorties, K&N cai, Full PI Swap, pro-m 80mm maf, 75mm tb and c&l plenum, steeda ud's, screamin demon cp's and ford racing 9mm wires, fox 4cyl front springs 260rwhp 290rwtq |
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#2 |
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Hardcore Enthusiast
1996 Mustang GT
Join Date: Mar 2007
Location: Effingham, IL
Posts: 1,795
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STEEDA part number
392-STE-17271-D Manual 8-Tooth 4.10 Ratio / White 23 Speedo Gear $15.95 Speedometer Recalibration Gears - '79-'98 Ford Mustang |
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#3 |
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Regular
Join Date: Apr 2007
Location: Quakertown, PA
Posts: 99
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Will my speedomter still be off by alot with this, i was told it will be off by like 6+.
__________________
steeda tri-ax, pypes catback & o/r x, BBK shorties, K&N cai, Full PI Swap, pro-m 80mm maf, 75mm tb and c&l plenum, steeda ud's, screamin demon cp's and ford racing 9mm wires, fox 4cyl front springs 260rwhp 290rwtq |
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#4 |
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Enthusiast
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Not really, no. I never had a problem. I guess you could run into one if you are doing around 140mph or so. Buy the Steeda gear.
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