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

How long do Syncros in a T5 generally last?

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Old 05-01-2015, 07:03 PM
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Car: 1987 GTA
Engine: 5.7
Transmission: T5WC
Axle/Gears: 3:27
How long do Syncros in a T5 generally last?

Getting a WC wtih 90,000 miles on it. Just wondering if Syncros is something that would be changed as a maintenance item. I was thinking refreshing it before installing it may be a good idea.
Old 05-01-2015, 10:25 PM
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Car: 1992 Camaro RS
Engine: Rebuilt 350 going in after paint
Transmission: WCT5, 7k & counting behind the 350
Axle/Gears: 4thgen disc rear w/ 3.73 Posi
Re: How long do Syncros in a T5 generally last?

Synchros are not really a maintenance item. You have to disassemble the entire trans to replace them. It's just as much work to rebuild the trans as it is to replace them. The ones in my T5 had 103k on them when I rebuilt the trans and they looked fine to me so I just reused them. They weren't included in my rebuild kit anyhow. 8k more miles on the trans since the rebuild and they are still fine.
Old 05-01-2015, 11:06 PM
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Re: How long do Syncros in a T5 generally last?

My T5 had like 85k on it and they were whining pretty loud and was getting hard to down shift. Double clutch sometimes... If your worried about it and the trans is out....... IMO i would have it gone through..
Old 05-08-2015, 12:14 AM
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jmd
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Re: How long do Syncros in a T5 generally last?

The T5 is an easy trans. to remove and re-install.

I would run it. This will give you an opportunity to notice any problems to better address them when / if you decide to go through it.
Old 05-08-2015, 11:26 AM
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Car: 85 IROC / 69 Firebird convertible
Engine: 5.0 / 350
Transmission: t-5 / WC t-5
Axle/Gears: 3.27 / 3.08
Re: How long do Syncros in a T5 generally last?

I have two t-5s both with well over 100K on them and no syncro problems with either one. One is world class, the other not.
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