Originally Posted by sdetweil
far as I know once you apply the tune, you no longer need the tuner attached, unless u want to use it as a monitor. least that is the way all the tuners I have ever used worked, including the spartan on my 08 f350.
That's what I figured, I am running the SPE hotx tune, I keep it plugged in for monitoring, but my 30 mile commute on two lane back roads doing 50-60 mph unloaded never really gets the temps into questionable numbers.
2011 F250 CC 4x4 XLT SWR 6.7
sold:1999 F150 EXT CAB 4x4 XLT 4.6 V8
sold:1989 F250 4x4 Reg Cab Long bed 5.8 351EFI 250k plus miles