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Speed Adjustment on T56

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Old May 3, 2010 | 07:14 PM
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Default Speed Adjustment on T56

I have a 95 TA and the previous owner put a 3.73 rear in it. I'm pretty sure my speedometer is off. How is this adjusted on the T56?
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Old May 3, 2010 | 11:47 PM
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a tune of the PCM.
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Old May 4, 2010 | 01:07 AM
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Originally Posted by jmd
a tune of the PCM.
Exactly
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Old May 4, 2010 | 02:39 AM
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has nothing to do with the transmission...
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Old May 4, 2010 | 08:38 AM
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How does one go about PCM tuning?
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Old May 4, 2010 | 08:54 AM
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Either mail order tune, or take it to someone that knows how, or buy the software/cable to do it yourself.
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