If i put the tire size to anything over 35" i get abs and brake lights, the 35" tire option had my speedo dialed in perfect with my 36.5" tires but i'm upgrading to 37.7" tires now and i'm gunna need to up the tire size on my predator but only if my abs and brake lights aren't going to come on ...

Hi guys, i had a quick question about the rev limiter option, i'm going to be doing sled pulls this coming weekend with my truck, i modified a few things on the diablo tune including the rev limiter (Increased it by 1,000), would it be safe to do this with a 04 Chevy 6.0L or am i putting my engine ...

I've got a 2004 Chevy 2500HD 6.0L lifted 9" on 37's, 4.10 gears, K&N intake and true dual exhuast also..

I run the 87 octane tune, and the only parameters i've really messed with is the tire size and injector slope (I've got it at -1). Do you have any suggestions for other things i could mess with ...

Most likely a voltage problem, i had the same issue, make sure all after market parts are disconnected and you could always hook up a jump pack to keep the battery fully juiced...

Anybody?

Key was on, engine not running, everything off, radio unplugged, lights off, dash lights fully dimmed down, parking brake on, don't have any aftermarket parts that would be drawing power and i also had a jump pack hooked up just to keep the battery full juiced.. I'm stumped right now, first i couldn ...

2004 Chevy Silverado 2500HD 6.0L Gas

Try to save backup and get (Error did NOT SAVE backup -12).

I had just restored the original backup and wanted to go to the 87 octane tune but i can't since it won't save my backup, tries twice then tells me i may have a tune already? Doesn't make sense.. I've ...

Okay i have a 2004 Chevy Silverado 2500HD 6.0L Gas, i bought the truck and it came with the predator tuner, i was switching tunes to test some out but it failed to install and now when i plug it in it says "tune did not install" then asks to restore original tune, i press yes but it doesn't work and ...