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Old 01-07-2021, 05:20 PM   #69
Camaro1973

 
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Drives: 2019 ZL1
Join Date: Mar 2019
Location: NJ
Posts: 1,537
Quote:
Originally Posted by JSH View Post
I spoke with HPE about my tune last week and it's their position that it's proprietary and they will not unlock it for me, ever. This actually makes sense to me from their perspective.

I suppose HPE would be willing to edit this tune and leave it locked but with no warranty. All of which means another tuner will have to edited my stock tune if and when I make mods. I'm confident various tuners have LT4 tunes that are basically ready to go, so to speak.

As mentioned, nothing they do is special. So its up to you if you want to have someone tune the car again.


Take our advice, wait it out until you can/want to replace the blower. Then you can do it all then. You'll get close to 800rwhp but without a low side aux like the DSX, i doubt any tuner would want to take it much past 775 or so, unless its a really happy car. But anything past that you'll need a low side, then you'll need to start looking at bottom end work at that point once you get to 850. (this is of course on pump 93)
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