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

153 tooth or 168?

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Old 06-12-2012, 06:34 PM
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Car: 1987 IROC-Z (G92)
Engine: 305 TPI
Transmission: M5
153 tooth or 168?

I am getting a new flywheel with my clutch since the clutch is about shot, and I'm not entirely sure which toothed flywheel to get? There seems to be 153 toothed and 168 toothed both of which claim 'oem'. I have a stock oem starter.
Old 06-12-2012, 06:41 PM
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Car: 86 Trans Am, 92 Firebird
Engine: 408 sbc, 3.1L of raw power
Transmission: TKO600, T5
Axle/Gears: Moser 9", 3:70 trutac, 3:23 torsion
Re: 153 tooth or 168?

the flywheel is 153. the flex plate may be 168
Old 06-12-2012, 06:45 PM
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Car: 1987 IROC-Z (G92)
Engine: 305 TPI
Transmission: M5
Re: 153 tooth or 168?

Thanks.

Last edited by iinversion; 06-12-2012 at 07:15 PM.
Old 06-13-2012, 09:00 AM
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Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
Re: 153 tooth or 168?

With a stock thirdgen starter the flexplate is 153 too.
Old 06-13-2012, 12:01 PM
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Car: 86 Trans Am/85 K5 Jimmy
Engine: 406 FIRST/350 TPI
Transmission: TKO 600/700R4
Axle/Gears: 9Bolt/10Bolt front & back
Re: 153 tooth or 168?

If its the T5 transmission then a 168 tooth won't even fit the bell housing. I went through that mess when I was installing my 400.
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