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06-21-2003, 02:43 PM
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Join Date: Nov 2002
Location: long island
Posts: 214
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h2 goes in the shop next week let you guys know how it runs soon. will post dyno # before and after i don't think it would make more hp then my Z06 
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03/sunset orange supercharged & custom programed-- gale banks monster exhaust
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06-09-2003, 06:54 PM
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Join Date: Nov 2002
Location: long island
Posts: 214
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anyone have any info on the radix supercharger
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03/sunset orange supercharged & custom programed-- gale banks monster exhaust
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06-10-2003, 08:33 PM
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Join Date: Nov 2002
Location: long island
Posts: 214
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4850 for the mag
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03/sunset orange supercharged & custom programed-- gale banks monster exhaust
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06-22-2003, 12:05 AM
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Join Date: Apr 2003
Posts: 318
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Ed,
Yes, you have to weigh all the pro's and con's and decide if it's worth it for your situation.
Here in Pa, we have a lot of hills. All my driving is backroad and under 45mph. The H2 just struggles. Low power and TM keep it always looking for the right gear. I'm getting the SC to make it a bit easier on both me and the H2!
I'm not sure about your quote but if I had to take a stab at it...more power under the curve means just that..you are raising the HP and torque curve from the get go. Looking at a graph of HP and torque...you are putting "more" under the curve???
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06-27-2003, 02:23 AM
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Join Date: May 2003
Location: Rocklin, CA USA
Posts: 25
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<BLOCKQUOTE class="ip-ubbcode-quote"><font size="-1">quote:</font><HR>Originally posted by MAC:
Do they offer supercharged Hummer for test drive? $5K is a lot of money. If we can test drive a supercharged Hummer, I think we can pretty sure to tell if it is a fraud or for real or just maybe. I climb steep hill everyday and my Hummer is full of power, if I can test drive a supercharged Hummer, it won't go any faster (twisty roads) but maybe I can feel the surge of power that pin me to the seat, that would be good enough. I wonder if any Hummer dealer has one for testing?<HR></BLOCKQUOTE>
Mac,
I drop a friends H2 with the magnacharger about 6 weeks ago. Compared to mine...night and day. My stock 6.0 H2 still has it's tail between it's legs. I think, besides towing, the real difference is noticed with driving with the AC on at 65 mph and having to floor it to get ahead of the big rig that decided to merge into your lane when there isn't enough room to move sideways or hit the brakes without scraping the trailer.
Believe me, that 5 psi of boost makes a big difference (along with the reprogrammed computer).
V
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06-18-2003, 12:09 AM
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Hummer Veteran
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Join Date: Apr 2003
Location: Sarasota, Florida, USA
Posts: 174
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<BLOCKQUOTE class="ip-ubbcode-quote"><font size="-1">quote:</font><HR>Originally posted by h2fan:
"should have the magnacharger on by july4 thinking of exhaust system -- they are pushing the valve spring because of boost. should be cool with some extra hp"  <HR></BLOCKQUOTE>
Good luck with the Magnacharger, will be interested to see how well you like it!
Pushing the new valve springs "because" of boost? Of course it is because of BOOST. That is what a supercharger does is boost the air/fuel mix... But, WHY does supercharging the engine require new (stronger?) valve springs --- is my question.
I would imagine that completely rebuilding the engine wouldn't hurt either? Stronger valves, rods, pistons, cranks, etc... Rebuilt, beefier transmission too? But tearing apart a brand new engine to beef it up seems just a little bit on the extreme side of sensible to my conservative values.  As it is, $7,000 for the extra HP seems a wee bit expensive?
Cruising in my H2 at 75mph on the interstate, my tach reads about 2,250rpm when not pulling any trailers. Would a supercharger really be doing anything or just loafing along? I know, if I punch it and accelerate the supercharger will really make a big difference. But I rarely ever need to do that...
But, pulling a travel trailer? That would be quite helpful then? But, say I use my H2 10 days a trip, twice a year, for three years. Total of 60 days of towing. The supercharger cost would work out to average more than a hundred bucks a day for each days use when towing... Over a thousand bucks per travel trailer trip?
I can pull a travel trailer without a supercharger... but not as easily. Do people think it is worth that much money to be able to jerk that travel trailer along faster? I didn't include the cost of premium fuel over regular fuel either. About 13% more in fuel costs?
The more I think about it, the more I think I will just drive in the right-hand (slow poke) lane and take a couple hours longer each day to get to wherever I am going. Maybe spend the 7 grand for a nicer travel trailer instead of a supercharger?
Decisions, decisions! 
Ed
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06-18-2003, 03:26 AM
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Hummer Messiah
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Join Date: Apr 2003
Location: Virginia Beach
Posts: 37,474
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The only things in the 6.0 that are strong enough over time with a SC are the crank and rods. Better replace or rebuild everything else w/ heavy duty parts. Especially the trans.
I do not trailer for long distances, but I believe there have been posts about the poor towing ability of the H2. This is primarily due to wheelbase and height. Check it out...
Black Lingenfelter Lux
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"My reading of history convinces me that most bad government results from too much government."---Thomas Jefferson
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06-21-2003, 03:53 PM
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Join Date: Apr 2003
Posts: 318
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I don't think that by just adding a supercharger you need to "rebuild the whole engine". There are plenty of SC's on stock engines that last a LONG time stock.
Just drive sensible and don't try to "spin all four tires"...
I'm having a whipple installed and everyone told me there was no need to rebuild or change anything.
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06-22-2003, 02:33 AM
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Hummer Veteran
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Join Date: Apr 2003
Location: Sarasota, Florida, USA
Posts: 174
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<BLOCKQUOTE class="ip-ubbcode-quote"><font size="-1">quote:</font><HR>Originally posted by MAC:
"Do they offer supercharged Hummer for test drive? $5K is a lot of money. If we can test drive a supercharged Hummer, I think we can pretty sure to tell if it is a fraud or for real or just maybe. I climb steep hill everyday and my Hummer is full of power, if I can test drive a supercharged Hummer, it won't go any faster (twisty roads) but maybe I can feel the surge of power that pin me to the seat, that would be good enough. I wonder if any Hummer dealer has one for testing?"<HR></BLOCKQUOTE>
Good question.
I'll admit that I don't know much about superchargers (and that is an overstatement) but I think I can pretty much guess that you don't really "need" a supercharger, Mac. If while climbing your "really steep hill" everyday, your H2 is "full of power" --- you would probably not "appreciate" the extra horsepower and torque available to you from a supercharger.
But, I'll bet that if you check around, you should be able to find someone with a supercharged H2 for you to ride in?
Ed
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06-12-2003, 03:50 AM
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Join Date: May 2003
Posts: 48
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h2fan,
Any better luck?
I found it for $4675.00 plus shipping
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06-24-2003, 12:44 PM
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Hummer Professional
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Join Date: Feb 2003
Location: Palm Desert, CA
Posts: 470
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Ed,
That's exactly why I did it. It makes it so much more fun and enjoyable to drive!
Bill
2003 H2 Hummer, Yellow,Polished Whipple Supercharged, Edelbrock ceramics, catback,18" Ambush w/mudders,lots of goodies!
Y2K Corvette Millennium Yellow Convert/Blk/Blk, B&B headers, B&B Tri-Flo's, H-Tech MAG,GMS MAF, RM Racing TwinFlow.
1994 Chev 454 Suburban, Blown, Doug Thorley
1970 Trans Am, balanced, blue printed, Hooker ceramics
www.4swimwear.com
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2003 H2 Hummer, Yellow,Polished Whipple Supercharged, Dynatech long tube headers, catback,18\" Ambush w/Toyo MT\'s,lots of goodies!
Y2K Corvette Millennium Yellow Convert/Blk/Blk, B&B headers, B&B Tri-Flo\'s, H-Tech MAG,GMS MAF, RM Racing TwinFlow.
1994 Chev Suburban Blown
1970 Trans Am balanced, blueprinted, ceramic headers, etc.
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