Thread: 2018 ZL1 mods
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Old 12-26-2017, 08:39 PM   #6
kttxz06

 
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Drives: '18 Zl1. '18 GT350.
Join Date: Dec 2016
Location: Katy
Posts: 2,104
Quote:
Originally Posted by mlee View Post
1st off I think you need a new tuner.
The ECM is a very quick registration with HP Tuners and it will cost him 4 credits which are $50 each.
Only the TCM requires an unlock for the Auto trans but you shouldn't have to mess with that anyway.

You're definitely going to need a tune. No question about it.
Haha, glad you said it and not me.
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There's only 2 people I trust. 1 of them is me, the other's not you. 2018 Zl1. 1199 RWHP/931 TQ.
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