reving the engine to 4000 rpm a few moments after start up in 85 degree weather isnt gonna hurt a thing, its not THAT cold and the oil is flowing...point is this black smoke shouldnt be there...it wasnt like that when i bought the truck.

I know the dealership has to "prove" that an aftermarket product caused a problem to void a warranty, but what products raise a red flag for them? Ive read a post from a GM tech that after you load the stock tune back on for the diablo its hard to find proof that it was ever changed so thats not a ...

Ive been noticing that when i start my truck cold and rev it i get a decent amount of black smoke coming out the exhaust, but i put 5000 miles on my oil change and it will still at the full mark. Is this gas from running rich at idle when cold? or do i need to unintall my diablo and take her into ...

so is there a tuner out that will let you remove TCM on the 2008 trucks yet?

are there any tuners out yet that DO offer the torque management feature?

im having SO much trouble with this. i intalled the driver for the cable but the downloader still cant locate the predator, ive tried everything...electronics make me so angry haha

v9r01...im gonna try v9r03 and see if that fixes it.

What do you mean by revision? when i look under the last tune i installed it says exactly what i tried to install...it just never actually goes through. and i notice no difference between 89 and 93 tune and can run the 93 tune with 89 gas WOT with no problems. does it make a difference that its a ...

well i ordered the tuner U7194 for my 08 silverado 5.3 and i dont think it works...at all. installing the tunes goes fine, when its done it says the tune has been installed turn key off then on again. but all the parameters i change arnt effected at all. i tried changing the dod and idle rpms and ...