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06-01-2008, 04:54 PM
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Elcova Newbie
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Join Date: Jun 2008
Posts: 4
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Re: H2 top speed?
Thanks everyone. I figured something wasn't right. The motor runs smooth and doesn't seem to "miss". I didn't realize there was a governor. Thanks Again!
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06-02-2008, 02:31 AM
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Hummer Veteran
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Join Date: Apr 2006
Location: New Jersey
Posts: 139
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Re: H2 top speed?
There actually is not a governor but there is a top speed control built in to your computer that controls your motor, transmission, speedometer, etc. Unless you go to the dealership, you'll have to buy a programmer to access the computer and tell it to allow higher top speeds. 80 to 85 sounds low unless you have after market tires that are larger, causing the computer to go out of whack.
If the tires are larger, then the computer needs to be reprogrammed with a programmer, to make the changes. The programmer is a small handheld device that plugs into your vehicle under the dash, very simply. I use the Diablo Predator, but there are others available.
Hope this helps. Good luck.
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06-02-2008, 03:18 AM
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Elcova Newbie
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Join Date: Jun 2008
Posts: 4
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Re: H2 top speed?
Thanks Gunzz,
I have the stock wheels. Right now the debate is to either take my rig to the dealer to see if there is something else wrong that would inhibit top speed or save the money from not seeing the dealer and buying a programmer to adjust accordingly. I'm just starting to investigate programmers.
PS. I like your ahhh.........picture! Thanks Again!
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06-02-2008, 08:32 PM
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Hummer Veteran
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Join Date: Apr 2008
Posts: 44
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Re: H2 top speed?
Thats it, electronically controlled not a govenor, only heeps use those old govenors  , but yea your rig should hit 100+ like pie unless your resticted by the computer.
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06-02-2008, 08:36 PM
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Hummer Guru
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Join Date: May 2005
Location: Virginia Beach
Posts: 5,081
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Re: H2 top speed?
105ish....or so im told....wait, i dont have to say that anymore....definately 105 in 05, 06, 07, 08.....
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06-02-2008, 11:08 PM
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Hummer Professional
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Join Date: Aug 2007
Location: Bartlett, Illinois
Posts: 486
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Re: H2 top speed?
I have had it right up to the 100MPH mark, definately seemed like it had some more left, cruising at 90-95 is no problem at all. You should be able to do 85 or better without hitting a wall
__________________
2008 H2 SUV Luxury: Solar Flare ext/Black int
SOLD 2006 H2 SUV Luxury: Pewter ext/Black int.
2002 Corvette Z06 Blue/Ebony (light mods)
1/4 mile: 11.661@118.86
2013 Audi S4
2002 Yamaha YZF R1 Blue/White
1/4 mile: 10.51@136
2006 Sea-Doo RXP (70.6mph GPS)
2005 Sea-Doo RXT
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06-03-2008, 02:59 AM
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Elcova Newbie
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Join Date: Jun 2008
Posts: 4
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Re: H2 top speed?
OP here. i brought my H2 in today and was told my catalytic converter was plugged...explaining the power loss. I'm lookin' forward to driving it when repaired. thanks to all the posters.
HYPERSPUD
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