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#1
12-28-2011, 08:51 PM
Hummer Veteran
Join Date: Oct 2005
Location: Connecticut
Posts: 232
odd semi-surge
Hey all...
I'm getting a slight "surge" when cruising along around 55 MPH. It bounces up & down between 1500-1700 RPM with my foot lightly on the gas.
Weird thing is she idles perfectly fine.
I'm thinkin it's because I upped the tires to 37s? Am I on the right track or are there other theories?
Thanks!
#5
12-30-2011, 03:34 PM
Hummer Professional
Join Date: Nov 2009
Location: Windermere, FL
Posts: 297
Re: odd semi-surge
I've been having the same issue between 45 and 50 mph. Please post what you find.
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White 2005 SUT, Lifted 7.5" via Fabtech/custom work, Fabtech Dirt Logic 2.25 shocks, 40x15.5x22 Toyo's, black 22" Fuel wheels, 4.88 gears, Dynatech long tube headers, Magnaflow exhaust, Air-raid intake, Superchips programmer, Edlebrock panhard bar, Cognito UCA's, Kryptonite tie rods, Cognito pitman/idlar arm gussets, Hotchkis swaybars and trailing arms, Amp Research steps, E&G fender flares, PIAA SMR's, smoked roof lights (bulbs removed), black suede headliner, 13" JL's under seat
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