changing speedo gears

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11-18-2006, 05:51 PM

C&DPerformance

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Join Date: Sep 2004

Location: Columbia,TN

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Car: 89 Formula 350

Engine: 355

Transmission: 700R4

changing speedo gears

I'm swapping out my 9 bolt rear for a 10 bolt. The 9 bolt has 3.27 gear and the 10 bolt is a 3.42 gear. I also have an electric speedo. Is there anything I can change to keep the speedo right?

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11-18-2006, 09:07 PM

f1ls1

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Car: 1999 F-1 Camaro Conv 1990 Iroc-Z

Engine: LS1/L98

Transmission: A4/A4

Axle/Gears: 3.23/3.27

http://www.transmissioncenter.net/sp...n_______va.htm

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11-18-2006, 11:56 PM

92RS(real slow)

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Car: 92 RS(sold) 1989 IROC-Z

Engine: 350 TPI

Transmission: 700R4

Axle/Gears: ones that turn

Hey thanks f1ls1 ive been looking for something like this now I just have to decide which gears to go with

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