smgbad

iTrader: (1)

I have a Hypertech tuner that plugs into the OBDII connection under the steering wheel. It has the option for both reg and non reg gas... Which one should I choose? Also, I want to set the transmission shift points, and it has a scale from 1st-2nd, 2nd-3rd, and 3rd-4th all of which having a range of selection between -6 mph and +6 mpg... Whats the best way to set this up? Thanks in advance for any help!

SS1875

iTrader: (34)

Can't help you on the shift points. As far as the gas part.... regular gas would be 87 reg/ mid-grade 89 octane and non regular would be premium gas 91-93 octane and above. Unless you are heavily modded/high CR motor and require 91-93 and above octane ...don't use this mode. Use the regular setting.

Mike@Diablosport

iTrader: (2)

I would sort of disagree.
This is a high performance motor, and was not designed to run 87 from the factory, so I would choose the high octane tune.
Also, you will see better performance gains from the higher octane tune generally.

krazy4

iTrader: (5)

I have an idea!!!

Get rid of the hypertech. My car went faster at the track without it.

98_Formula

iTrader: (15)

dont mess with the shift mph... have a reputable shop change ur shift points if u want that done, im pretty sure the shift points work on both mph and rpm and changing just one would probably cause problems. (at least thats what i remember reading when i was looking up the hypertech tuners)
FWIW, i ditched the handhelds and just had a shop do tuning with hptuners / ls1edit and have never regretted the decision.

thunderstruck507

iTrader: (18)

if you run 87 octane in your car, you should go ahead and sell it and get something made to run on regular

2xLS1

iTrader: (25)

Pretty sure some Hypertechs have a tune for Reformulated and Non Reformulated gas, not regular and non regular. There was a time when some areas of the country were required to sell the reformulated gas for emissions reasons. Don't know if they still do or not.

smgbad

iTrader: (1)

Thinking of putting my car back to factory tuning and just keeping the tuner to clear dtc codes, keeping pressure on my tran lines, and for adjusting for a 3.73 gear. Hypertech told me to go +3 mph for 1-2 shift, +6 mph for 2-3 shift, and +9 for 3-4 shift. Worked awesome til I got to 3-4 shift... then it hit the damn rev limit before shifting for a good 4 seconds at WOT. Now its set at +2, +4, and +6 with rev limit at 6400. Seems to be the best setup for what I have.