3 T5s Available In '89
Thread Starter
Joined: Jan 2003
Posts: 1,613
Likes: 10
From: Tulsa, OK
Car: 1989 Formula WS6
Engine: L03 305 TBI
Transmission: T-5
Axle/Gears: 10 Bolt; 3.42 Posi
3 T5s Available In '89
So I'm looking at buying a driveshaft from Summit for my Firebird
https://www.summitracing.com/parts/s...mission/manual
Under "Transmission Type, it lists: MB1, M39, and MK6. Can't figure out which one I have.
Can anyone educate me?
Thanks
https://www.summitracing.com/parts/s...mission/manual
Under "Transmission Type, it lists: MB1, M39, and MK6. Can't figure out which one I have.
Can anyone educate me?
Thanks
Senior Member
Joined: Feb 2019
Posts: 786
Likes: 198
From: SW Missouri
Car: 1989 Trans Am
Engine: sp357
Transmission: TKX
Re: 3 T5s Available In '89
Check your RPO codes if you have them.
All the T5's were physically the same, I think the RPO code just indicates which overdrive gear was inside the transmission.
MB1 was for the 6 cylinder cars.
All the T5's were physically the same, I think the RPO code just indicates which overdrive gear was inside the transmission.
MB1 was for the 6 cylinder cars.
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porky
Transmissions and Drivetrain
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Jan 29, 2003 01:13 PM