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Old 12-15-2020, 10:53 AM   #1
JSH


 
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Drives: '20 ZLE
Join Date: Jun 2020
Location: Mile High
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'20 1LE A10 2nd gear launch

Please provide some details on how to adjust the TCM to allow for a launch in 2nd gear (in manual mode).
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'20 ZL1 1LE A10,
OEM short block, LME heads/valve train, E2650.
100+ octanes, no eth, no meth, no N2O.
2/23 - 1031/1004 wheel.
4/23 - 1.41/9.61/145 at DA 7000 ft. (only made five passes).
2/24 - LME 390, E2650, FBO, 100 oct.; 1116hp/ 1063tq; 109 oct. dyno next.
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Old 12-16-2020, 10:08 AM   #2
Jamesg89
 
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Drives: 2019 2SS & 1998 SS
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Can you even adjust the tune on the '20 TCMs? I thought after '19 they couldn't unlock them anymore.

I also doubt GM employees will tell you how to adjust anything in the tune of the car.
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Old 12-16-2020, 02:40 PM   #3
JSH


 
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Drives: '20 ZLE
Join Date: Jun 2020
Location: Mile High
Posts: 3,531
Yea, I just discovered the T93 TCM is locked, and I'm assuming my '20 has one. I'll bet the Russians who hacked the US Treasury could unlock it though.
__________________
'20 ZL1 1LE A10,
OEM short block, LME heads/valve train, E2650.
100+ octanes, no eth, no meth, no N2O.
2/23 - 1031/1004 wheel.
4/23 - 1.41/9.61/145 at DA 7000 ft. (only made five passes).
2/24 - LME 390, E2650, FBO, 100 oct.; 1116hp/ 1063tq; 109 oct. dyno next.
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