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View Full Version : Discovered something about the H2...Could this be right?


DennisAJC
06-15-2005, 02:16 AM
Today on my way home, I experienced a hugh and very noticable difference....

My acceleration was better, the throttle response was almost instant(As opposed to the lunge before acceleration). Overall felt more power on the peddle. Take offs were noticably faster.

I couldn't figure out why the sudden change??? At a stop signal I noticed my "TOW/HAUL" light was on.

I took a longer route home and experimented with turning the TOW/HAUL on and off. The difference was night and day.

I use this feature alot when I'm towing but never tried it with no load.

I feel kind of silly asking, but can anyone verify this or mabye experienced the same thing?

frank6150
06-15-2005, 02:22 AM
Excellent discovery my friend!

I too have noticed something special. Let's say for example you are driving down the highway at oh maybe 70mph and you are weaving between lanes, the truck tends to not handle at all like a Ferrari.

Now I have figured out how to get over this massive hurdle, simply drive the truck as fast as possible in reverse and suddenly your steering becomes much more responsive! It turns crazy fast! http://www.elcova.com/infopop/emoticons/icon_biggrin.gif http://www.elcova.com/infopop/emoticons/icon_biggrin.gif

I'll give it a whirl tomorrow D, but if my **** breaks I'm sending you the bill along with a zip loc bag full of fresh feces. http://www.elcova.com/infopop/emoticons/icon_razz.gif

DennisAJC
06-15-2005, 02:29 AM
No joke, If nobody suggests any damage due to prolonged use, I'l be leaving that feature engage all the time. http://www.elcova.com/infopop/emoticons/icon_smile.gif http://www.elcova.com/infopop/emoticons/icon_cool.gif

HUMMERcustoms.com/TAZ
06-15-2005, 03:21 AM
Dennis My Buddy can not tell You how far you can wind out. But, what is happening is You are taking the torque managment out of play when You hit Tow/Hall button.
TAZ

DennisAJC
06-15-2005, 03:26 AM
Taz,

Winding out??? Is that good or bad thing. Not recommeded for non stop use? The change is addictive.

h2sin
06-15-2005, 04:13 AM
Put an NOS label over the button http://www.elcova.com/infopop/emoticons/icon_biggrin.gif

H2Finally
06-15-2005, 05:22 AM
Dennis, I'm surprised you have not used that feature before!

I use it all the time during rush hour, when climbing a hill, when taking off after an ******* that just cut me, etc..

In TOW with mine though, I need to drive a lot 'smoother' as the switch between gears are much rougher.

Dug
06-15-2005, 09:19 AM
Dennis , it is ok to drive in tow/haul mode. The gas mileage might not be as good. But the faster stronger shifts are better for the transmission , because the bands are not slipping so much to give you a mall queen ride.

HUMMERcustoms.com/TAZ
06-15-2005, 12:02 PM
Dennis I'm sorry for choice of words. I guess I should have used redlining it. I forget You are from one of those 3rd world countries. http://www.elcova.com/infopop/emoticons/icon_wink.gif
Your Buddy, AAY
TAZ

<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by DennisAJC:
Taz,

Winding out??? Is that good or bad thing. Not recommeded for non stop use? The change is addictive. </div></BLOCKQUOTE>

KenP
06-15-2005, 12:10 PM
Damn, I never tried it. I wonder..... No way....

So Dennis, when you are getting a SuperCharger? http://www.elcova.com/infopop/emoticons/icon_wink.gif

1BADH2
06-15-2005, 12:27 PM
With my lift and 41's I have to drive in tow haul mode all the time it really ****s and gets. I haven't noticed anything different that might be happening to the truck but the gas mileage http://www.elcova.com/infopop/emoticons/icon_biggrin.gif

KenP
06-15-2005, 12:43 PM
Just turn it off when you're cruising on the highway. That should help some.

1BADH2
06-15-2005, 01:24 PM
Can't with the tires it's always in and out of gears.

tower
06-15-2005, 01:54 PM
Dennis,

I can't believe you didn't know about this. The other benefit is that you get about 35 mpg in tow mode. But don't tell anyone! http://www.elcova.com/infopop/emoticons/icon_wink.gif

Also, I have some swampland in Virginia (sorry, Kenny & h2c-p) that is about to be rezoned as commercial that I'll sell you cheap. http://www.elcova.com/infopop/emoticons/icon_eek.gif http://www.elcova.com/infopop/emoticons/icon_biggrin.gif

KenP
06-15-2005, 02:34 PM
That'd be Great Dismal Swamp-land to you. http://www.elcova.com/infopop/emoticons/icon_wink.gif
http://greatdismalswamp.fws.gov/

DennisAJC
06-15-2005, 03:01 PM
Ken,

Still want tyhe SC and probably will in a few weeks. I was just so surprised with the change when TOW/HAUL was engaged.

Horace,

I use it alot when towing the trailer or boat or a heavy load in the back. Having it engaged at the time was an accident. But a good one or I wouldn't have known. http://www.elcova.com/infopop/emoticons/icon_biggrin.gif

Thanks for the input by all.

DigitalBoost
06-15-2005, 03:11 PM
Is the gas mileage better or worse in tow mode?

KenP
06-15-2005, 03:38 PM
<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by DigitalBoost:
Is the gas mileage better or worse in tow mode? </div></BLOCKQUOTE>Worse. One thing it does is changes the shift points to a higher RPM.

DigitalBoost
06-15-2005, 03:45 PM
<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Worse. One thing it does is changes the shift points to a higher RPM. </div></BLOCKQUOTE>

ahh, ok thanks for that info.

DennisAJC
06-15-2005, 03:49 PM
It's an H2, who cares about mileage??? http://www.elcova.com/infopop/emoticons/icon_biggrin.gif

Denny Crane
06-16-2005, 05:48 PM
I too have been using this feature with the Supercharger it does make a + effect on the mileage. I think due in part to not needing more pedal to get going.

The only shift point i find a bit long is the final 3 - 4 which occurs at or close to 60.

I use it alot and have over the 3 years we've had ours.

D

usetosellhummer
06-16-2005, 06:39 PM
It's electronic control of the shift points and you can have twice the fun if you buy a programmer for about 3-400. It gets even better launch and worse gas milage.

h2co-pilot
06-16-2005, 06:41 PM
Dennis, I love your signature line. http://www.elcova.com/infopop/emoticons/icon_biggrin.gif

Fastest H-Town Realtor
06-16-2005, 07:16 PM
I find that the only negative to using this mode is that the OD does not kick in until 55mph....so if Im in a 45mph area..and actually doing that speed, the engine stays in 3rd, or about 2300 rpm'ish

DennisAJC
06-16-2005, 08:26 PM
<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by Fastest H-Town Realtor:
I find that the only negative to using this mode is that the OD does not kick in until 55mph....so if Im in a 45mph area..and actually doing that speed, the engine stays in 3rd, or about 2300 rpm'ish </div></BLOCKQUOTE>

That's the beauty of it. Just press the button to turn it off! http://www.elcova.com/infopop/emoticons/icon_biggrin.gif

CONRAD II
06-17-2005, 06:12 PM
What a difference. I drive in the city in gear 3 but there still is slow reaction time from my sut when trying to pass other vehicles etc. In tow mode and gear 3 my h2 seems like its always ready to respond immediatly. On the hwy I drive in D and leave tow mode off. Does anyone think that I am potentially damaging my tranny by driving the way I do in the city. I'll tell you guys one thing, its nice to have the reaction time from such a big heavy vehicle.

KenP
06-17-2005, 06:26 PM
Alec has a fancy interior. http://www.elcova.com/infopop/emoticons/icon_wink.gif

HummerNewbie
06-17-2005, 06:32 PM
Alec, can you take some better pics of the interior. Know someone who would like to do that to his interior.

HummerNewbie
06-17-2005, 06:45 PM
<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by Alec W:
<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by HummerNewbie:
Alec, can you take some better pics of the interior. Know someone who would like to do that to his interior. </div></BLOCKQUOTE>
That pic was with my phone, I'll try to remember to take some tonight with a real camera. </div></BLOCKQUOTE>

Thanks

usetosellhummer
06-17-2005, 07:25 PM
looks like dads old buick with the wood, nice look http://www.elcova.com/infopop/emoticons/icon_biggrin.gif

Mr. I - Man
06-17-2005, 07:27 PM
Wood is Good!

DennisAJC
06-17-2005, 09:41 PM
Conrad,

I was very surprised to when I accidentally discovered it.

I use it all the time when towing or hauling heavy loads, but what a diference when I have it on all the time! VROOOOOM!!!!! http://www.elcova.com/infopop/emoticons/icon_biggrin.gif

Ricers eat my dust. http://www.elcova.com/infopop/emoticons/icon_biggrin.gif

P.S. The last time I sat in Alec's H2, there was an overwhelming smell of Pledge. http://www.elcova.com/infopop/emoticons/icon_biggrin.gif

DennisAJC
06-17-2005, 11:07 PM
Sweet! http://www.elcova.com/infopop/emoticons/icon_biggrin.gif

KenP
06-18-2005, 02:52 AM
<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by DennisAJC:

P.S. The last time I sat in Alec's H2, there was an overwhelming smell of Pledge. http://www.elcova.com/infopop/emoticons/icon_biggrin.gif </div></BLOCKQUOTE>What's he been polishing with you around? Knob rubbers..... http://www.elcova.com/infopop/emoticons/icon_eek.gif

LoLo
06-18-2005, 03:04 AM
OK... now that I see that others have actually tried this, too (sorry, Dennis... afraid to go it with only one guinne pig! http://www.elcova.com/infopop/emoticons/icon_wink.gif ) I will have to put it to the test!

Like the interior, Alec... I was actually in your "neck of the woods" last week -- and got much better gas mileage! (WHY???)

KenP
06-18-2005, 03:19 AM
Must be the air. http://www.elcova.com/infopop/emoticons/icon_biggrin.gif Or you're rubbing the piston too hard..... http://www.elcova.com/infopop/emoticons/icon_eek.gif

LoLo
06-20-2005, 12:52 PM
Damn... you mean you <span class="ev_code_BROWN">AREN'T</span> supposed to be massaging the piston??? Well, it worked, anyway! http://www.elcova.com/infopop/emoticons/icon_wink.gif http://www.elcova.com/infopop/emoticons/icon_biggrin.gif

AmericanPatriot
06-24-2005, 04:17 AM
http://elcova.com/groupee/forums/a/tpc/f/5106011751/m/889103...891036811#8891036811 (http://elcova.com/groupee/forums/a/tpc/f/5106011751/m/8891036811/r/8891036811#8891036811)


-I knew about this way back in the day. Come on people, keep up!

DennisAJC
06-24-2005, 05:53 AM
I get more attention because I'm colored. Aight?

KenP
06-24-2005, 12:27 PM
After seeing American Patriot's post all I can say is REPOST! Thanks alot Dennis. Do a search next time. http://www.elcova.com/infopop/emoticons/icon_rolleyes.gif http://www.elcova.com/infopop/emoticons/icon_wink.gif