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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 02-21-2005, 10:06 PM
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Fubar Fubar is offline
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<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by CHarris:
Oh Yeah, Baby...

Went To Pacific Raceway today for a little 50 degree sunshine with a mild breeze test and tune session. I'm completely satisfied with the results.

Run #1 (w/ passenger) and slight brake stalling gave me the following-
60 ft: 2.237 1/8 mile: 9.671 @ 72.04 mph 1/4 mile: 15.208 @ 86.80 mph

Run #2 (w/o passenger) and a little more brake stalling gave me this-
60 ft: 2.193 1/8 mile: 9.571 @ 72.85 mph 1/4 mile: 15.058 @ 87.52 mph


I knew that LPE advertised 15.2's with their basic supercharger kit. I honestly figured they probably massaged a few other engine and intake parts to get that result. I expected to do 15.4's or there about. As it turns out, I'm knocking on 14's already.

I am only running the basic radix kit with the included tuning. As previously stated it is making about 5 psi as soon as I stomp the pedal and 6.5 psi most of the way through the rpm band. It hits 7 psi right at the shift point. It is a 3.1 pulley. I also have the Magnaflow catback. I still have my stock air filter, too.

The only weight I've taken out of the vehicle is the spare tire, jack, and the interior mount for both items which total about 140 lbs. I also took off the roof racks for another 25 lb loss.

This kit rocks! Here's the video proof...

http://www.highspeedproducts.com/charris/h2.wmv


Cory </div></BLOCKQUOTE>

Cory, Very cool thanks for sharing the video. Since we both have basically the same set up I am going to assume that my performance would be about the same. I do have an aftermarket air intake and electric fans. It will be interesting to see if that makes any difference, what difference it makes if any will probably be lost in reaction time. I think when I get a chance I'll go to CA and see if they still allow open nights at the speedway. I'll have to pay someone to video tape (mostly because I can't afford any friends)
I'm still looking for a 4x4 dyno place. I think there is one in Southern Ca but I've forgotten there name. There are several shops here in town but they all want or need to disconnect the front drive shaft.

thanks again for sharing.
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