Tach and speedo

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Jan 10, 2011 | 12:06 PM

Murraydpsr90

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Junior Member

Joined: Jul 2010

Posts: 41

Likes: 0

From: Canajoharie, NY

Car: 1990 camaro rs

Engine: 5.0

Transmission: 700r4

Axle/Gears: 2.73

Tach and speedo

How do I calibrate the tach and speedo if the r off from the rear axle swap

Jan 10, 2011 | 12:29 PM

Apeiron

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Joined: Jan 2000

Posts: 20,981

Likes: 11

From: Mercedes Norte, Heredia, Costa Rica

Car: 1984 Z28 Hardtop

Engine: 383 Carb

Transmission: 4L60

Axle/Gears: 3.54 Dana 44

Re: Tach and speedo

The tach doesn't care about gearing. Change the speedometer gears in the transmission to correct the speedo.

Jan 10, 2011 | 12:34 PM

Murraydpsr90

Thread Starter

Junior Member

Joined: Jul 2010

Posts: 41

Likes: 0

From: Canajoharie, NY

Car: 1990 camaro rs

Engine: 5.0

Transmission: 700r4

Axle/Gears: 2.73

Re: Tach and speedo

War do I change them to not sure

Jan 10, 2011 | 12:37 PM

Murraydpsr90

Thread Starter

Junior Member

Joined: Jul 2010

Posts: 41

Likes: 0

From: Canajoharie, NY

Car: 1990 camaro rs

Engine: 5.0

Transmission: 700r4

Axle/Gears: 2.73

Re: Tach and speedo

What do I change the to

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