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302 Posts
Discussion Starter · #1 ·
Do u pick the tunes from a list he has?
And does the transmission tune cost extra.

My biggest fear is that my car can shift what feels to be abnormal at times. I worry about blowing tranny up (probably overkill). Especially at track. Maybe his transmission tune would help smooth it out. I dunno.

Thanks
Burd
 

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2011 GTR
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1,033 Posts
I think his tunes are the best out there for a mail order tune. I wish he was closer to me to get it on the dyno.
as for the tunes, call him and purchase the unit. He may have you upload the stock ecm file to the unit and xfer it to your pc after you receive the handheld and email it to him. He then sends back 3 tunes (favorite being max perf tune). He might still have a way of getting the original tune via your VIN # and if that is the case, he will ship the unit with tunes in it and ready to program your car. Either way it is an awesome bang for the buck. If you have an auto, that tune is already included.

Mark
 

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Had 2009 V, Red/Blk 2016 Now
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4,189 Posts
I'm still not going to mess with the trans at all. It shifts fine for me, and very good in Sport mode at the drag strip. Yes, you have to shift a tad early in Manual, but oh well, at least we have the flashing lights for upshifts!
 

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2016 CTS-V Crystal White, CF,AM Wheels
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192 Posts
Just purchased one of his handhelds. Yes you will have to upload you factory tune to the handheld and then send that stock tune with your vin to Jesse for modification.
He will probrably send you back 3 style of tune. Valet, Mild and Max performance.
You can then load one of those or your stock tune back.
He may take a few days for the modification. I sent a reminder email and had a reply a few hours later with the tunes.
 
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