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

Is an 89 IROC pretty much a guaranteed T5 WC?

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Old Apr 27, 2015 | 05:32 PM
  #1  
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From: Mississauga, Ontario Canada
Car: 1987 GTA
Engine: 5.7
Transmission: T5WC
Axle/Gears: 3:27
Is an 89 IROC pretty much a guaranteed T5 WC?

It's a 305 car. Just wondering if it would be a WC transmission
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Old Apr 27, 2015 | 06:05 PM
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Re: Is an 89 IROC pretty much a guaranteed T5 WC?

Would have come with the 2md design. But after all these years, who knows.

EEeeeeezy enough to see by just getting up under the car and looking.



2nd design is the bottom one.
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Old Apr 28, 2015 | 05:18 AM
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From: Mississauga, Ontario Canada
Car: 1987 GTA
Engine: 5.7
Transmission: T5WC
Axle/Gears: 3:27
Re: Is an 89 IROC pretty much a guaranteed T5 WC?

This one is still installed in the car. Is the Torx bolt visible on the side of an installed transmission?
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Old Apr 28, 2015 | 06:22 AM
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Re: Is an 89 IROC pretty much a guaranteed T5 WC?

You can see the line where the bottom of the bell housing was on my transmissions there. All that dirty stuff below the line is out in the open.
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Old Apr 28, 2015 | 02:41 PM
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From: Mississauga, Ontario Canada
Car: 1987 GTA
Engine: 5.7
Transmission: T5WC
Axle/Gears: 3:27
Re: Is an 89 IROC pretty much a guaranteed T5 WC?

Originally Posted by sofakingdom
You can see the line where the bottom of the bell housing was on my transmissions there. All that dirty stuff below the line is out in the open.
The car was so far gone that the jack went through the frame. The floor was so badly rusted that I was able to put my cell camera into the tunnel and snap a pic. Found this. Based on what I've learned here, that bolt makes it a non World Class
Attached Thumbnails Is an 89 IROC pretty much a guaranteed T5 WC?-bolt.jpg  
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Old Apr 29, 2015 | 07:10 PM
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Car: `86 SS / `87 SS
Engine: L69 w/ TPI on top / 305 4bbl
Transmission: `95 T56 \ `88 200-4R
Re: Is an 89 IROC pretty much a guaranteed T5 WC?

Good point. I'm not certain that was 1988-up off the top of my head or if one fits the other. Also because I bought an 88 WC V8 T5 with an 86 top shift rail cover, I'd have still looked at the front of the case by the bell; you can tell without removing the trans.
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Old Apr 29, 2015 | 08:51 PM
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From: Mississauga, Ontario Canada
Car: 1987 GTA
Engine: 5.7
Transmission: T5WC
Axle/Gears: 3:27
Re: Is an 89 IROC pretty much a guaranteed T5 WC?

I'd tried. I just couldn't get the car off the ground. It was a rusted out disaster sitting in the dirt.
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Old Apr 29, 2015 | 08:52 PM
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Car: `86 SS / `87 SS
Engine: L69 w/ TPI on top / 305 4bbl
Transmission: `95 T56 \ `88 200-4R
Re: Is an 89 IROC pretty much a guaranteed T5 WC?

that's why you saw from up top.
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Old Apr 29, 2015 | 09:06 PM
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From: Mississauga, Ontario Canada
Car: 1987 GTA
Engine: 5.7
Transmission: T5WC
Axle/Gears: 3:27
Re: Is an 89 IROC pretty much a guaranteed T5 WC?

I could've cut the drive train out with a butter knife, I'm not kidding.
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