89 Differential Options, Non Turbo, Turbo, Auto

Seeolddan · 07-27-2011, 12:46 AM

MANUAL TRANSMISSION:
Looks like there is a turbo differential (3.7XX) and a NON turbo differential (4.1XX) for manual transmission.

Can you use a Non Turbo Automatic differential in a 5 speed Non Turbo?

El Supracabras · 07-27-2011, 02:09 AM

You sure can. The differentials are same for the auto and manual. Try and find one with an LSD and be sure to get the 4.30:1 gearing if you don't have a turbo.

07-27-2011, 12:46 AM	#1
Seeolddan Stock Join Date: Jul 2011 Location: Monroe, Ohio Posts: 1	89 Differential Options, Non Turbo, Turbo, Auto MANUAL TRANSMISSION: Looks like there is a turbo differential (3.7XX) and a NON turbo differential (4.1XX) for manual transmission. Can you use a Non Turbo Automatic differential in a 5 speed Non Turbo?

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07-27-2011, 02:09 AM	#2
El Supracabras 3" Exhaust Join Date: Feb 2010 Location: Chicago Posts: 240	You sure can. The differentials are same for the auto and manual. Try and find one with an LSD and be sure to get the 4.30:1 gearing if you don't have a turbo.