Originally Posted by
Blue Bee
I think as long as the Diablo didn't "update" the flash number, so it's not different from the stock tune copy. I have a post going about this with no answer from HPT because I'd like to have the dealer do an actual flash update on my car.
For you, here's what you can do, now that you read with Diablo tune, save it as tune 1. un-marry the Diablo, read the stock tune and save it as stock tune. with stock tune open, open up the tune 1 as a compare file and change your stock tune accordingly and save as tune 2, if it lets you save then you should be good and can flash your own HPT version of the Diablo tune that's in your car now, Diablo unmarried and you are on a roll. If not...2 more credits or you can't sell the Diablo, your choice!