Quote:
Originally Posted by 1slow370
there is an uprev flash that needs to be done when doing the valvebody upgrade, the dealer flash will only get a valvebody from another car to work in yours, it will not adjust the line pressure for the non oem modifications gtm does to the valvebody
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And who would I get the UpRev flash from? Or do I just have my tuner adjust the Osiris tune? Does GTM have to give you the UpRev file ?