LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Stupid question about 93 transmissions

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Old Aug 5, 2006 | 01:23 PM
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Default Stupid question about 93 transmissions

What tells the tranny when to shift on a A4 93 setup? I'm guessing vaccum if so then couldnt you use a 94 computer programed for a 6 speed? I know it sounds dumb but humor me.
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Old Aug 5, 2006 | 01:44 PM
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It runs off the TV cable for outer inputs and that is about it.

If you swap to the 94-95 PCM you will need one for an A4 with all the codes tuned out. The reason is a M6 has a 16 tooth Reluctor(I think might be 19) and the A4 uses a 40 tooth. If you use the M6 file the speedo will be a PITA to dial in.

If you need help with the file let me know
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Old Aug 5, 2006 | 01:48 PM
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Originally Posted by TwoFast4Lv
It runs off the TV cable for outer inputs and that is about it.

If you swap to the 94-95 PCM you will need one for an A4 with all the codes tuned out. The reason is a M6 has a 16 tooth Reluctor(I think might be 19) and the A4 uses a 40 tooth. If you use the M6 file the speedo will be a PITA to dial in.

If you need help with the file let me know
Thanks for the info. Once I figure out what I'm going to do for wiring Ill shoot you a PM.
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Old Aug 7, 2006 | 05:31 AM
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I have a mad dog stage 2 trans in one of my 93 cars and the tv cable is broke. The trans now has real soft shifts and I was told not to drive it until it's fixed. So yea the tv cable controls the shifts. If I manually shift it it's fine. That's being fixed today.
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Old Aug 7, 2006 | 11:09 AM
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I'm not real sure if mine's adjusted right or not. I read that you pull the throttle to WOT while pressing the cable "adjuster" on the cable and you're done. My transmission shifts way too early.
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