H2 2006 Fuel Saving tips
Hello Hummer & NATO Allies ,
Fresh from trading in my Jeep Wrangler for a H2 in the last few days Thought with that nut case of Putin better be prepared and purchase a safe and mean truck :D with gas prices sky rocketing not the most sensible of decisions but hey it is what it is just wondering if any of you noticed any appreciable differences in fuel economy if changing to a K&N air filter ( for example ) or exhausts upgrades..? also I live in Switzerland - any good European site for parts on the Hummers ? thanks guys and glad to own a bit of military history :)) |
Not much will help economy other than doing a full tuneup with new ACDelco spark plugs, new plug wires, clean MAF. Other than those, make sure the tires are at the right pressure or a few PSI high. Try to keep your foot off the gas pedal. Problem with better exhaust is that it will sound much better which leads to hitting the gas more to enjoy the sound. Also, if it has larger than the original tire size or mud tread, those will also lower economy. Original size all terrain tires will be best from an economy standpoint. The economy is poor not matter what though. Best I ever saw was right about 14 mpg on the interstate. Around home I averaged around 11.5.
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#1:Travel light/Lose Weight |
Removing the spare tire, will shed some weight but, if you got a flat tire, you will kick yourself for that, roof racks also add some wind drag.
I do think a Cat back exhaust system, new O2 sensors and a fuel trim reset, with the above mentioned tune up and driving like a grandma will be about the best you can get. Congrats on the new H2, we need some pictures. |
Also just in case as many are not aware but do not fill the tires based on what is marked on the tire itself (that is just the maximum the tire is capable of). The correct tire pressure is based on the vehicle and is on a label in the driver door jamb. One thing you can do is go a few PSI higher maybe 3-5 over. That will cause the tire to wear a tiny bit faster in the center and make the ride a tiny bit harder but can lower the rolling resistance a small amount resulting in a small improvement in fuel economy. As phil also mentioned, reducing any weight possible can also help a small amount.
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Thanks Guys very useful tips indeed - You are the Experts :)
will post some picts once the beast is ready to be picked up .. |
Hit the gym. Lose 50 pounds.
Keep your tank 1/2 full instead of full. Lose 150 pounds. Kick your fat wife out when you go for a drive. Lose another 150 pounds. Remove the third row seat. Lose another 60 pounds. Remove all the garbage I see in most vehicles (old paper, burger wrappers, paper cups, towels, junk, etc.) and save another 10 pounds. After you have done all that, you will realize that you get the same mileage as before, about 23L/100Km Then you stop worrying about it and just make more money to compensate. I did a 2000km round trip with 1000Km empty, and return 1000km with 700 pounds of cargo in the H2, Made absolutely no difference in gas mileage. None. Zip. The heavier version coasted further down the road to make up for the extra gas uphills. PS. Ignore the door plate PSI recommendation. Ideal fill for the OEM tires is about 45 PSI or 310kPa. They last much longer, and the fronts shave edges less on turning. I have relatives in Switzerland. Maybe it is you. |
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Finall, your post was brilliant.
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