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91 camaro rs T5 Speedometer wrong

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Old Dec 15, 2009 | 12:54 PM
  #1  
Ninety-One's Avatar
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Joined: Oct 2006
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From: Santa Clarita, CA
Car: 91 LT1 RS 89 IROC-Z 350 TPI
Engine: LT1 // 350 TPI
Transmission: WC T5 // 700R4
Axle/Gears: BW 9 Bolt 3.27 //BW 9 Bolt 2.77
91 camaro rs T5 Speedometer wrong

Need help fixing off speedometer. Couldn't find a cable, (assuming it's electric?) But I upgraded to 3.73 gears and need help on how to set the speedometer to the proper speeds. Stock tires and wheels, T5 trans.

Any help appreciated!
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Old Dec 15, 2009 | 02:54 PM
  #2  
Rolling Thunder's Avatar
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Joined: Mar 2008
Posts: 1,549
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From: CT
Car: 86 T/A, 83 Z/28
Engine: 5.0 TPI, 350 2 X 4 bbl
Transmission: 4 speed auto, 5 speed manual
Axle/Gears: 3.23 posi, 3.73 std
Re: 91 camaro rs T5 Speedometer wrong

Well what you need to do fortunately isnt too bad all you need to do is replace the speedometer drive gear to match your new rear gears.
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Old Dec 15, 2009 | 06:17 PM
  #3  
JamesC's Avatar
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From: Lawrence, KS
Car: Met. Silver 85 IROC/Sold
Engine: 350 HO Deluxe (350ci/330hp)
Transmission: T-5 (Non-WC)
Axle/Gears: Limited Slip 3.23's
Re: 91 camaro rs T5 Speedometer wrong

You need to replace the drive and/or driven gears depending on what the previous gears were: 3.08 down you'll need to replace both, 3.23 up the driven gear.

JamesC
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