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02-02-2012, 06:20 PM
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Hummer Veteran
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Join Date: Jul 2005
Posts: 80
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Re: Regearing?
I absolutely recommend 4.88's if you're going to spend the money for new ring and pinions. Throttle response will be dramatically better and if you choose to run 40's down the road or tow, you'll make it easier for your motor to get the power to the wheels.
__________________
2005 Black LUX
37x13.50R17 Toyo MT
Torsion keys. 2" rear coil spacers
2" wheel spacers
In Tune I2, Air Raid Filter, Air Raid MIT, throttle body bypass, straight pipe exhaust
Cognito UCAs. Kryptonite UCA ball joints. Kryptonite tie rods. Kryptonite death grip Idler. Moog HD pitman.
5.13 gears. E-locker front
Bilstein stabilizer
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02-02-2012, 07:12 PM
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Hummer Expert
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Join Date: Feb 2011
Posts: 620
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Re: Regearing?
This has become a good little thread..  keep it up! And charles06 would you please post some pics of your rig!!
__________________
'08 Birch White SUT
20X10" BMF S.O.T.A Wheels
38X13.5X20 Toyo Open Country M/T
AMP Research Steps
10" JL Audio sub w/ box and amp
Truxxx Lift 2.5" F-1.5" R
4" Rancho Lift
Corsa Sport Cat Back Exhaust
K&N Cold Air Intake
Spare Removed
RealWheels Eliminator Kit w/o hooks
Defenderworx hooks
Body matched grille
Ford Raptor 6.2L emblem
GS Creations Plexi-glass tail light and front turn tint
RealWheels Oversized Black Hood Handles
Recon Smoked Cab lights
More...
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02-02-2012, 07:38 PM
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Hummer Professional
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Join Date: Nov 2009
Location: Windermere, FL
Posts: 297
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Re: Regearing?
I know. I know. Still being lazy.
I agree with the 4.88's. You won't notice the 4.56's enough.
__________________
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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02-02-2012, 08:14 PM
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Hummer Expert
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Join Date: Jan 2011
Location: Canton, OH
Posts: 628
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Re: Regearing?
Quote:
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Originally Posted by charles06
I know. I know. Still being lazy.
I agree with the 4.88's. You won't notice the 4.56's enough.
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so 4.88's will be good with 38" tires? what will i notice after having them installed? and will anything be compromised?
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2012 Porsche Panamera 4
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02-02-2012, 08:16 PM
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Hummer Authority
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Join Date: Jan 2008
Location: Gaithersburg, MD
Posts: 1,763
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Re: Regearing?
Quote:
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Originally Posted by 2010_5thgen
so 4.88's will be good with 38" tires? what will i notice after having them installed? and will anything be compromised?
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Your highway cruising RPM will be higher but it should jump off the line...well, as much as a big metal box can 'jump.'
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CNTRY
DTOM
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02-03-2012, 03:10 PM
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Hummer Expert
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Join Date: Jan 2011
Location: Canton, OH
Posts: 628
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Re: Regearing?
Quote:
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Originally Posted by guruerror
Your highway cruising RPM will be higher but it should jump off the line...well, as much as a big metal box can 'jump.'
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i dont know if id like that though....running over 2K rpm at 70 or so.....doesnt sound good to me..not to mention about 6 mpg's. that'll drain my tank before i even get to Cleveland.
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2012 Porsche Panamera 4
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02-03-2012, 05:22 PM
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Hummer Expert
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Join Date: Feb 2011
Posts: 620
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Re: Regearing?
I'm wondering what that will do to mine too..my hwy miles are higher now than they used to be. City driving would be great..that's where it usually gigs me.
__________________
'08 Birch White SUT
20X10" BMF S.O.T.A Wheels
38X13.5X20 Toyo Open Country M/T
AMP Research Steps
10" JL Audio sub w/ box and amp
Truxxx Lift 2.5" F-1.5" R
4" Rancho Lift
Corsa Sport Cat Back Exhaust
K&N Cold Air Intake
Spare Removed
RealWheels Eliminator Kit w/o hooks
Defenderworx hooks
Body matched grille
Ford Raptor 6.2L emblem
GS Creations Plexi-glass tail light and front turn tint
RealWheels Oversized Black Hood Handles
Recon Smoked Cab lights
More...
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02-02-2012, 08:19 PM
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Hummer Expert
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Join Date: Jan 2011
Location: Canton, OH
Posts: 628
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Re: Regearing?
__________________
2012 Porsche Panamera 4
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02-02-2012, 09:50 PM
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Hummer Professional
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Join Date: Nov 2009
Location: Windermere, FL
Posts: 297
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Re: Regearing?
Get 4.88's and a Superchips programmer. But set your speedo with a GPS unit as your reference for speed. I realized after some playing that I had to set my tire size smaller than the actual 38".
__________________
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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02-03-2012, 02:51 AM
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Hummer Expert
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Join Date: Feb 2011
Posts: 620
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Re: Regearing?
I was amazed at the performance tune on the
Superchips programmer, my truck came alive off the line. Seemed like it wanted to run instead of lugging around all the time.
__________________
'08 Birch White SUT
20X10" BMF S.O.T.A Wheels
38X13.5X20 Toyo Open Country M/T
AMP Research Steps
10" JL Audio sub w/ box and amp
Truxxx Lift 2.5" F-1.5" R
4" Rancho Lift
Corsa Sport Cat Back Exhaust
K&N Cold Air Intake
Spare Removed
RealWheels Eliminator Kit w/o hooks
Defenderworx hooks
Body matched grille
Ford Raptor 6.2L emblem
GS Creations Plexi-glass tail light and front turn tint
RealWheels Oversized Black Hood Handles
Recon Smoked Cab lights
More...
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