Superchips
Originally Posted by chreese2
I have the superchips 1815 for my 2005 Supercrew. Can i put the setting on PERFORMANCE without running 91 octane gas or with it mess up the motor?
Page 1 of the 1815 manual ( available here: http://www.superchips.com/products.p...gers+%26+SUVs), clearly states 91 oct premium must be used for the perf & tow premium tunes.
You need to run the 87 oct tune if you want to run reg gas.
Originally Posted by chreese2
if i return my truck to the "stock" setting, can i put my chip in my brothers truck?


