Transmissions and Drivetrain Need help with your trans? Problems with your axle?

Speedometer

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Old Feb 3, 2012 | 12:02 AM
  #1  
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From: Buffalo, NY
Car: 92 Camaro RS
Engine: 305 TBI
Transmission: 700R4
Axle/Gears: 10 Bolt 3.42 Posi
Speedometer

After swapping my entire suspension with a 1" drop, 16-15"wheels with larger tires, new axle, drums to PBR brakes, ls1 driveshaft I know my speedo is going to be off, is there a quick fix or is it easier to bring it to a shop for calibration?
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Old Feb 3, 2012 | 12:11 AM
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From: Mercedes Norte, Heredia, Costa Rica
Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
Re: Speedometer

Change the speedometer gears in the transmission.
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Old Feb 3, 2012 | 12:14 AM
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From: Buffalo, NY
Car: 92 Camaro RS
Engine: 305 TBI
Transmission: 700R4
Axle/Gears: 10 Bolt 3.42 Posi
Re: Speedometer

Igotta take the transmission out and crack it open? what gears do I gotta change it to? I dont mess with transmissions.
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Old Feb 3, 2012 | 12:28 AM
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From: Buffalo, NY
Car: 92 Camaro RS
Engine: 305 TBI
Transmission: 700R4
Axle/Gears: 10 Bolt 3.42 Posi
Re: Speedometer

Easy fix, TomTom that displays Mph
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Old Feb 3, 2012 | 06:02 AM
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Re: Speedometer

I know
How so?

Suspension height, drive shaft material, brake design, and so on, have NO effect on it. Tire OD will affect it ( ACTUAL MEASURED OD - not wheel size, and not "trade size" "calculated" OD) and gear ratio; all the rest of that is irrelevant.

NO you don't have to take out the trans and "crack it open". Changing the gears is as easy as changing the oil, maybe easier. No... make that DEFINITELY easier. Go here http://www.transmissioncenter.net/sp...n_______va.htm Sorry it's so hard to find stuff on that site, the page design (or rather, lack of it) isn't MY idea.
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Old Feb 3, 2012 | 06:30 AM
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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: Speedometer

Originally Posted by SpaclySprocket
Igotta take the transmission out and crack it open? what gears do I gotta change it to? I dont mess with transmissions.
What 'reins' do you have? Manual or auto?

JamesC
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Old Feb 3, 2012 | 09:36 AM
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From: Buffalo, NY
Car: 92 Camaro RS
Engine: 305 TBI
Transmission: 700R4
Axle/Gears: 10 Bolt 3.42 Posi
Re: Speedometer

700r4
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Old Feb 3, 2012 | 09:51 AM
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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: Speedometer

http://sethirdgen.org/vss.htm

JamesC
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Old Feb 3, 2012 | 09:58 AM
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From: Buffalo, NY
Car: 92 Camaro RS
Engine: 305 TBI
Transmission: 700R4
Axle/Gears: 10 Bolt 3.42 Posi
Re: Speedometer

Sweetness, that dont look bad at all. Thanks a bunch
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