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Go Back   Hummer Forums by Elcova > Hummer H2 Discussion Forums > Technical Discussion and Customizing your H2

 
 
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Old 12-29-2008, 05:29 AM
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Default Re: Diablo Programmer

And to further add to tomp's comments it may be worth mentioning that one nice feature of the Predator is that engine parameters can be monitored in real time while driving.

When I first ran the 93 tune with 85 octane fuel I monitored the spark and knock retard readouts on the Predator from dead stop to 70mph while running at wide open throttle (engine under maximum load). I did this several times and since no knock retard was ever noted I was confident that 85 octane was safe to use with the 93 tune.

I might also mention that I monitored again while in Moab (elevation 4000 - 4500ft.) and didn't see any knock retard there either. But sea level is whole other story I'm sure!
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'05 H2 Lux, 37" KM2's on 17" Hutchinson Double Beadlocks, Cognito UCA's, Cognito Sway Bar Links, Custom Hydro-Assist Steering Upgrade, Eaton Front Differential Locker, 1" Rear Coil Spacers, Chevy Green Key Torsion Bar "Lift," Bilstein Shocks, Warn 9.5ti Multimount Winch, Dual Optima Yellow Top Battery's, Piaa & Hella Off-road lights, Gobi Rack, Tru-cool External Transmission Oil Cooler, Diablo Predator Hi-Octane Tune.
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