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auto or manual chip - does it make a difference?

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Old 09-23-2000, 02:51 AM
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Car: 91 Z28
Engine: 5.7
Transmission: T-5
auto or manual chip - does it make a difference?

I just found a really good deal on a ads chip - $20 and brand new in the box - I have a 91 z with 305 and its with the T5 - the chip is for a 92 305 but the guy's not sure if it is for a manual tranny or not (he got it off some guy that had sold his car and never put the chip in) - so basically i just wanted to know if the tranny setup made much of a difference. Thanks - Alan
Old 09-23-2000, 08:56 AM
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Car: 2005 Subaru STI
Engine: 153ci of Turbo Power!
Transmission: 6-Speed
Yes, the tranny setup does make a difference. Among all the differences the most notable one is the coding for the Torque Converter clutch. However, with all of that said I have never tried an Auto chip in a manual car. Has anyone else tried this? I'll see what I can find out and then I'll get back to this post.

Tim


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Old 09-23-2000, 10:01 AM
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I have

I think besides the TCC part and no longer having a shiftlight, the spark curves will be a little different... but the MAIN thing thats a little funky is IAC operation at light part throttle (i think) im actually running an auto chip in my car right now just been a little lazy to swap to a 5 speed bin but it runs fine
Old 09-23-2000, 01:23 PM
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Car: 91 Z28
Engine: 5.7
Transmission: T-5
thanks a lot for the info

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91 z28 lb9 5 speed - hooker 1 5/8 headers - high flow cat 3 inch exhaust - home made ram air - tpis airfoil - dual chamber flowmaster - car used to be fast - lt1 auto killer - had a stock re-build on the lb9 - and now it sucks a$$
Old 09-23-2000, 04:51 PM
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I would say the auto chip will work in the manual car but the manual chip will not work well in a auto car. It was mentioned above. the manual car chip programming leave all teh TCC variables blank. TCC lockup. As for the timing maps I never compared that deeply. But I would agree on the above post that the maps may be a little different. the chip may be a good start for programming though
Dennis

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