1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

13bt on 12a tranny

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Old Feb 22, 2004 | 06:22 PM
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13bt on 12a tranny

what clutch/flywheel combination can be used to make a 13bt fit on a 12a tranny
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Old Feb 22, 2004 | 06:50 PM
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Im wondering the same thing also. I have a bunch to spare as i know they dont handle the power the TII trannys. It would be nice if the TII engine bolts right up and works.
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Old Feb 22, 2004 | 10:04 PM
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It will bolt up without a problem. All you need is the T2 rear counter-weight and a non-turbo lightened flywheel and matching clutch.
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Old Feb 22, 2004 | 10:29 PM
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Originally posted by REVHED
It will bolt up without a problem. All you need is the T2 rear counter-weight and a non-turbo lightened flywheel and matching clutch.

oooohhh your right on REVHEAD!!!!

thats what i do on all the turbo swaps
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Old Feb 23, 2004 | 12:15 AM
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You serious rob? You use 12a tranny's on TII swaps?
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Old Feb 23, 2004 | 12:46 AM
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i was gonna say
why the heck would u want a 12a tranny on a 13bt
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Old Feb 23, 2004 | 10:24 AM
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Originally posted by REVHED
It will bolt up without a problem. All you need is the T2 rear counter-weight and a non-turbo lightened flywheel and matching clutch.
yea, you need a TII Auto Rear Counter Weight, and an Aftermarket Flywheel that can fit N/A 13b and N/A 12a
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Old Feb 23, 2004 | 02:23 PM
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That's what I got on my turbo motor right now. Can't wait to blow the tranny up so I can convert to a TII tranny!!
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Old Feb 23, 2004 | 03:49 PM
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I've been running a 12A tranny behind my 13B for as long as I've had it. That includes two days of many laps around www.wakefieldpark.com.au without any troubles.

Don't get me wrong... If and when it blows i'll be putting in a TII tranny.
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Old Feb 23, 2004 | 04:28 PM
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What brand flywheels will work and can you use the a turbo 2 clutch
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Old Feb 23, 2004 | 04:44 PM
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Originally posted by Turbo95Max
What brand flywheels will work and can you use the a turbo 2 clutch
No, the turbo clutch and flywheel are larger. You need to use an n/a aftermarket flywheel and matching clutch.
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