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Discussion Starter #1
Hello,

I am desperately looking for a way to disable the auto stick, automatic up-shift on my 09 Challenger SRT.

I see you sell the Mopar Performance TCM, P/N P5155177. I've read the description.

Have you tested it/have you gotten any feedback on it?

Can you tell me what-all it changes from the stock TCM, such as:
1. What are the stock TCM shift points? What does the Mopar TCM change them to?

2. This will definitely disable the auto up-shift on an 09 SRT, correct?

3. How hard are the shifts?

4. Is this more of a drag race car TCM or is it meant for the street?

Any info appreciated!

Thanks,
Rick
 

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162 Posts
Hello,

I am desperately looking for a way to disable the auto stick, automatic up-shift on my 09 Challenger SRT.

I see you sell the Mopar Performance TCM, P/N P5155177. I've read the description.

Have you tested it/have you gotten any feedback on it?

Can you tell me what-all it changes from the stock TCM, such as:
1. What are the stock TCM shift points? What does the Mopar TCM change them to?

2. This will definitely disable the auto up-shift on an 09 SRT, correct?

3. How hard are the shifts?

4. Is this more of a drag race car TCM or is it meant for the street?

Any info appreciated!

Thanks,
Rick
Rick,
From what have seen the new tcm raise the shift point to 6400 rpm and with a diablo and selecting the raise points we have seen 6800 rpm shift points. Most of the cars we have used this tcm on have been earlier models and it will disable the automatic upshift in autostick. You will get firmer shifts but nothing I would call a drag race type of shift. Most of the folks running this tcm are street and strip guys.

Jeff
 

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Discussion Starter #3
Thanks Jeff,

And I understand that this might not have been designed to run on a stock engine. But, wouldn't shift points of 6400 be too much for a stock engine?
 
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