Dyno Tuning a Hummer h2

[freytes2004]

Can anyone recomend a tuner who has a 4 wheel dyno in florida preferably sw fl I had a whipple supercharger installed in my 05 h2 and it came with a diablo tuner and it would not work right so I took it to Zambony's speedshop and he is supposed to be a diablo tuning agent and he could not get it to work. So he claims he wrote a custom tune and dynod my h2 and it puts out 325 hp thats not what whipple says it should do. He did charge me 650.00 for his trouble and In my opinion I should have left it stock no more improvement than 6000.00 got me.

[mikel]

Yeah, I'd expect a bit more power than that, but if its a 4 wheel dyno, it will read low.
I know we have tuned H2s here, we disconnect the front driveshaft and run them like that...

[freytes2004]

Mike he did disconnect the front and still was not able to get your tune to work the tune would not let the car idle and kept throwing a map code is it possible that I could bring my car to Diablo and pay to have it properly tuned?

[HumVtwo]

Can anyone post their custom tune that works on the H2? What to change and what not to?

[06MonteSS]

can't swap tunes... they're tied into a vehicle's VIN number... won't work for ya... and every vehicle is different anyway...

settings that work on one vehicle, usually won't be the same or work on another... even though they're the same model...