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

T4 Durability

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Old 11-01-2016, 05:49 PM
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Car: 84 Z28
Engine: 350
Transmission: T5
T4 Durability

I have an 84 Z28 that I use for autocross in the local CAM class. It has a warmed over 350 mated to a T5 trans. I'm curious as to the durability of the T4 trans compared to a T5. Any advantage there ? Always looking for a low buck mod that has been overlooked. Thanks for any insight.
Old 11-01-2016, 06:20 PM
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Re: T4 Durability

T4 is exactly the same transmission as the T5 except without 5th gear. I've built several T5s from T4s.
Old 11-01-2016, 07:19 PM
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Car: 84 Z28
Engine: 350
Transmission: T5
Re: T4 Durability

Thanks for the response. Looks like at some point I may have to part with some green if I want a stronger trans.
Old 11-02-2016, 09:43 PM
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Car: 1988 Gta trans am project 1-1/2
Engine: 86 4 bolt main cammed sbc 355 hsr
Transmission: 89 wc bw t5
Axle/Gears: Bw 9 bolt (3.27) pbr 11in
Re: T4 Durability

T56 and never look back bud




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