[HUMMERcustoms.com/TAZ]

Captain I do not disagree with You at all on radiator as cooling is a priority with more boost and HP. My experience with all the HP etc I run with my H2 has not been a problem yet unless as I lean it out more experimenting it pops up. I will then figure out what I need to do. The factory RAD does great with a dual electric fan setup. It did fine even before actually without the twin fans. My H2 is not a daily driver it is a show rig and I'm able to slowly push boost and HP so that it will leave me the luxury of tweaking and leaving it not having to adjust things back for regular street drivability.

You know as You mentioned I will have to look at the RAD more as I push the HP on up to the 750HP or as close to 1000HP as I can get it and I raise the boost on towards 16, 18 or 20lbs. I will have the water/methanol inj. going at WOT and co2 spray on the SC aftercooler radiator. It will just take tinkering.

Just going to 5lbs. of boost on my H2 was a nonevent except for the power and speed. I do have gauges to watch the situation and even ran 87 octane because tuning was so rich I had no detonation. Reason for trying the 87 was because it is more volatile than 93 and you get more power out of it than 93. Running the higher octane is to prevent detonation and help hold temps down. I had gauges before the supercharger was added and the tuner I used then was still leaving the rig running so rich it was a joke. I knew I was not going to have temp problems tweaking it more with SC. Even after adding the SC with the kit tuner it still left it real rich. HPTUNERS software will let me tweak the 5lbs. boost allot leaner first with wideband sensors before I go up in boost and I can watch the temps as I go.

You know crawling before you walk then walk before you run.

TAZ