I have done the math with the Hahn Stage 3 and it seem to be slightly off but not enough for me to be out of gas when it shows lots left on range.

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Ottawa, Ontario, Canada
2007 - 2.4 - Black - Hahn Stage 3, Hahn Hi-Flow CAT, Solo SQR-2, Norm's Finned Diffuser & Fenders, GReddy BOV & PRofec-B Spec-II B/C, Autometer Mech Boost & Electric Oil Temp gauges, DDM Two gauge A-Pillar POD & Powdercoated valve & engine covers, Illuminated WR, JPM Centre Console, Arm Rests & Visor Covers, Stubby Antenna
Team Solstice 2008

I'm the same way. My gas mileage has suffered but you guys know how I drive

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2004 Dodge Ram SRT-10 - 500HP/525 ft/lbs!!

Previously known as "SolScuba"

Centrifugals on my s-10 and 1500 with a L31. Maggies on the SS's. None showed better MPG. Not that I don't belive, just not in my experiences.

Jay

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http://memimage.cardomain.net/member...28_16_full.jpg
Ordered the Solstice: Black with leather, steering wheel controls, A/C delete (who needs A/C in a convertible). Custom turbo kit, maybe!

[quote=Shadow;680158]Well for me, this isn't my every day car. This is just my fun car. So if I get better mileage than that's just iceing on the cake, but it doesn't matter to me, because of my application for the car. I'm looking for a more spirited ride and FUN, FUN, FUN!!![/QUOTE


I just finished my Stage II monday. The power is incredible. Next I will be checking out the gas mileage on a trip out west. I have a hard time keeping my foot from stomping on the accelerator. It's a hell of a rush.

It is correct. Manual calculations have verified this on a number of installations.

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Bill Hahn Jr., Hahn RaceCraft, Inc.
Home of the World's Quickest and Most Powerful Solstices
First to the 14's, 13's, and 12's in the 1/4 Mile
12.00 @ 117 MPH Street Solstice World Record
Hahn RaceCraft, Inc.
Turbocharging GM's since 1988
http://www.turbosystem.com