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

Spline number?

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Old

Sep 22, 2004 | 08:23 PM

#1

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Joined: Feb 2002

Posts: 2,308

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From: Avondale, AZ

Car: currently thirdgenless!!!

Spline number?

I have a stock 2.73 open unit in my '92 RS. Is it 26 or 28 spline?

Old

Sep 22, 2004 | 09:07 PM

#2

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Joined: Feb 2001

Posts: 13,773

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From: Cincinnati, OH

Car: '90 RS

Engine: 377 LSX

Transmission: Magnum T56

28. The switch was in 89 and some cars for that year had 26 and others had 28.

Old

Sep 22, 2004 | 09:13 PM

#3

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Joined: Feb 2002

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From: Avondale, AZ

Car: currently thirdgenless!!!

Thanks Shifty.

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