hello all, i have an 05 screw lariat 5.4 w/flowmastrer cat back dual w/70 series(had the 40 series and was much to loud,sounded like a 69 ss camaro with headers!!!) anyway, first off, i noticed after i installed the cat back that my gas milage went south, way south!, anyone else expierence this too? secondly, i was wondering if anyone has played with the settings on thier diablo tuner yet with any success, et, timing, fuel ratio at wot, the mas air flow thing, shift pressures, ect. i am running the performance tune w/93 oct and have moderat sucess, nothing to write home about though. and im a little leary about changing the settings, want more power!!!! another thing i noticed on the diablo is the axel ratio is not correct, it's set at 3.71 not 3.73, you have to go up to 4.10 than back down to get 3.73, kinda funny.

thanks!

 

RWTD is your answer

 

Rwtd?????

 

Yeah - could have been a little more helpful ...

Google gets you:

http://www.runninwiththedevil.com/

The forum:

http://www.diablosporttuning.com/forums/

Or - you could always flog it, and buy an Xcal2.

Cheers
Grog

 

he's another tuner
RWTD