So I have had my i3 model no. 8245 for my 2009 Cadillac Escalade (3rd Gen) and about to get a 2016 so I see it calls for the same 8245 model... Is this correct for the 4th Gen Escalade? (2015 to 2020)?

If I modified the tire size on the "87 Octane Performance" tune, does it still install the actual original 87 Oct. Performance tune WITH the modified tire size? OR do I have to type in all the other parameters as well?

Got the sensor issue fixed - now waiting on my Predator to show up

If I have a bad / intermittent knock sensor, is it advisable to use the Predator on my truck or should I fix the knock sensor first and then only use it? The issue with my knock sensor is that sometimes the truck falls flat on its face under acceleration and I was told that it was the knock sensor ...

Nm, I found the answers to all my questions from researching these forums. From all the reading I did the past few days here, I honestly would NOT recommend anyone to buy a USED unit unless they can personally 100% verify its the newest and works....

UPDATE : Got a damn good deal on a slightly used ...

Sorry for the error but I just found out the unit is NOT actually a U7198 but a Granatelli Predator and I noticed on the side of the box it states "Granatelli Motorsports - 998917" - the sellers claims that this can do everything a U7198 can do and is basically the same thing. Something does not ...

Hello, first post lol - I was considering buying a used U7198 until I found out there are newer versions and the guy who has been selling alot of the older units on Ebay just told me that there is really no performance difference when using the "canned" tunes from the U7198 vs. the latest U7198 ...