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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 03-01-2005, 12:43 PM
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Fastest H-Town Realtor Fastest H-Town Realtor is offline
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Until I see live dyno work and street testing, I call BS. The "cooler charge" theory goes against all the modern ideals of exhaust gas flow proficiency. If a cooler exhaust meant better exhaust gas velocity, then the Jet Hot coatings, that already have been dyno proven, would not be neccessary.

The turn around time for the exhaust to speed up the impeller, then deliver the boost has got to be .5-.75 of a second without load. With added load to the motor, the lag can only get worse.

With a shift point on the test vehicle of that article being at 5800rpm, my theory shows to be peliminarily correct. Look at the relatively low torque readings vs. the HP reads. On a lower rpm turbo kit, the torque should outdo the hp. The test dyno proves to me that the turbo is taking its time to spool up. Prolly not hitting real boost until 3500-4000 rpm. For a turbo install, thats high rpm for boost.

Color me not impressed. Anyone want to offer other perspectives?
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