Hypertech

[knez]

Hey everyone.I just programed my truck with hypertech pwr prog. (2500hd 8.1L cc).My question is When it asked me whether I wanted a 87 or 93 tune I picked the 87 being her in ca the highest octane you can get at your regular station is 91 could I have used the 93 tune with out detonation?Or is it a trial and error thing?

[knez]

Answer the question.Answer the question.Answer the question.

[TarheelZ]

...Or is it a trial and error thing?

 

<{POST_SNAPBACK}>

 

 

Yes!