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Wrong Oil causing H3's bad mileage?

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Old Aug 21, 2006 | 10:51 PM
  #11  
dilo2001gt's Avatar
Joined: Sep 2005
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Default RE: Wrong Oil causing H3's bad mileage?

The H3 requires synthetic oil.

Where it say that.
the dealer does not use it just like the gas 87 octane
 
Old Aug 21, 2006 | 11:34 PM
  #12  
topcarbon's Avatar
Joined: Jul 2006
Posts: 72
Default RE: Wrong Oil causing H3's bad mileage?


ORIGINAL: dilo2001gt

The H3 requires synthetic oil.

Where it say that.
the dealer does not use it just like the gas 87 octane
MANUEL SAYS 10W-30 AND NOT SYNTHETIC
 
Old Aug 21, 2006 | 11:37 PM
  #13  
topcarbon's Avatar
Joined: Jul 2006
Posts: 72
Default RE: Wrong Oil causing H3's bad mileage?


ORIGINAL: SedonaBoundH3

My take on the low mileage is this: The H3 is a fairly heavy vehicle with a smallish engine that's geared for fair economy at cruising speed. The problem is, it takes a LOT of throttle to accelerate, so stop & go driving mileage is terrible. Drivers who rarely get on the freeway, or are more prone to "aggressive" driving are really going to get hammered hard on mileage. Not many mid-size vehicles exhibit such a huge spread in real city/highway mileage. Though the 3.2 gets the H3 the coveted 20 highway mpg rating (and really gets it), I think it would have much better all-around mileage with a larger engine that didn't have to work so hard just to get the truck rolling.
Bingo. The biggest factor for fuel consumption is weight. The reason my Corvette with a V8 and 425 hp does so well is it weighs so little to move it down the road. Then when you factor that the Hummer is built like a brick and shaped like one, forget about low speed, stop and go good mph.
 
Old Aug 22, 2006 | 10:12 AM
  #14  
dilo2001gt's Avatar
Joined: Sep 2005
Posts: 4,300
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Default RE: Wrong Oil causing H3's bad mileage?

Also it could be the k&n filter do not believe everything you read about products.
I had one on one of my other cars i use to fill up once a week once i installed the k&n i was filling up twice a week
i went back to factory so did my milage.
 
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