RE: everyone that has had head/valve issues
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RE: everyone that has had head/valve issues - 11/22/2006 11:10:54 PM
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LawWyfe
Posts: 1565
Joined: 11/15/2006
Status: offline
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Post head job.....drove her nearly 300 miles today and still 1/4 tank of gas left (average speeds of 80+)...drove like a dream, in fact had to rein it in a bit several times as she was raring to go! I am thinking the mpg will be about the same as it was pre head job...approx 15-16 mpg.
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2006 Hummer H3 Boulder Gray
Simple and understated and not all tricked out!
Sometimes less is better......OK...some BLING since I joined here!
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RE: everyone that has had head/valve issues - 11/22/2006 11:29:37 PM
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LawWyfe
Posts: 1565
Joined: 11/15/2006
Status: offline
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WOW, speakin of "Bummers" Yours really is.... KA-CHING!! KA-CHING!! I feeeeeeeeeeeeel for you!  I'd be sittin on their doorstep with that thing because something really is wrong with it unless there are other underlying reasons such as aftermarket/add ons, tires, etc., or driving habits.....
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2006 Hummer H3 Boulder Gray
Simple and understated and not all tricked out!
Sometimes less is better......OK...some BLING since I joined here!
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RE: everyone that has had head/valve issues - 12/19/2006 8:17:55 PM
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vector248
Posts: 1
Joined: 12/19/2006
Status: offline
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I am no expert, not by any stretch. but i do know if you go up more than 2 sizes in tire size it is strongly recomended that you step up to shorter gears ( larger numarically ex. 4.11 is shorter than 3.73.) that might be the corp of your problem. the engine and tranny are having to work overtime to move the tires. more wear especally on the tranny. GM really should have put a bigger engine in the H3 in i personally think it is under powered. I drove one and was less than impressed with the power. Not trying to start any fights mind you. another thing to think about and you might already know this, but taller tires roll further, and there for your speedometer will read slow. so you will actually be travling faster than you think, and that might factor into the mileage. hope this helps.
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RE: everyone that has had head/valve issues - 12/20/2006 10:46:33 AM
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Golden Shellback
Posts: 419
Joined: 2/4/2006
Status: offline
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quote:
ORIGINAL: importkiller
there are alot of guys that I know running 35's on their h3's with stock gearing and still getting up around 14mpg+ so I doubt too high of a gear is my problem. And my mileage numbers and speed numbers are taken off my gps, not the speedo/odo...GPS doesn't care what size tires you have, it's always accurate.
I'm running 35's, marker lights, SMA brushguard and rockrails. I get 12.5 mpg mostly city driving. My truck is in the shop right now, got the engine misfire code last week.
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RE: everyone that has had head/valve issues - 12/20/2006 1:19:28 PM
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Golden Shellback
Posts: 419
Joined: 2/4/2006
Status: offline
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quote:
ORIGINAL: Dennis
Shell..don't forget to post a vote on the poll below..we are tracking the numbers..
Where is the poll? can't find it.
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RE: everyone that has had head/valve issues - 12/20/2006 1:26:12 PM
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Golden Shellback
Posts: 419
Joined: 2/4/2006
Status: offline
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Thanks, ok I voted. I'm between 15,000 and 20,000 range.
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