I have a question about tunes. I am very new to them. I see that some people say they have like the diablo predator tune and then they say they also have another tune such as the SCT Xcalibrator tune. Can you put one tune in and then another on top of it? Wouldn't that just erase the old tune? Is it better to just purchase one and then just do the upgrades as they come out? Like I said, I am new to this and thinking of doing it for the first time with my '05 and any advice would help. Thanks. :scratch:

 

I believe you cannot "stack" tunes. You are correct that when you go to flash the computer it overrides the current programming with whatever you have for an update. Therefore is you flash it with the SCT and then with a Diablo, it will only have the Diablo tune. You would have to upload the SCT if you wanted that one back, etc etc etc.

 

How cool would that be if the ECU could store several tunes and you could switch between them via the message center.....one can only dream

 

No , you should not stack them. :nono: I have both the SCT and the Diablo and you need to reinstall the factory tune before you change between them. Either one of them will be increasing values based on what the factory settings are. If one of the tuners adds 10 degrees of timing it is intended to add it to the stock setting. If you already have a tune in the ECU with the values raised 10 degrees , then it will be raising those values by another 10 degrees ...

 

I don't think it is possible to stack them. You are overwriting existing information when you upload a tune.

 

What would be really cool is if you could have multiple rear end ratios setup and quickly change ratios for street/race conditions. One can only dream... :sleep:

 

How cool would that be if the ECU could store several tunes and you could switch between them via the message center.....one can only dream
[/b][/quote]

87 during the week, 93 on the w-end..an idea that could make someone smarter than myself some $$$$$..

 

Ok, that is what I had figured to be true. The reason I was wondering was with the cost of these things $250+ each I was wondering why some people had listed that they had both for their cars. I guess some people just buy them both so they can try out different tunes?

 

Ok, that is what I had figured to be true. The reason I was wondering was with the cost of these things $250+ each I was wondering why some people had listed that they had both for their cars. I guess some people just buy them both so they can try out different tunes?
[/b][/quote]

I only bought the SCT because that's what Steeda had working for their CAI and CM Plates when I got them. Once Diablo came out supporting the Steeda CAI and CM Plates I bought one of those , since it did so much more than the SCT and I would have preferred it in the first place ...