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CATEGORY LISTINGS > GM DIESEL > 6.5turbo mileage [ REFRESH ]
Thread Title:

6.5turbo mileage


Created On Wednesday June 02, 2004 00:35 Diesel Talk
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Sparky1961
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Joined: Jun 2004

Note Wednesday June 02, 2004 00:35 View thread in raw text format
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I have had a 2000 GMC Savanna one ton since new. My complaint has been the milage since new with the dealership. I average 15 mpg (canadain gallons). My previous truck a 95 GMC one ton aspirated diesel got me 22 mpg. Is this anyone else experience?

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b1mmuo27@hotmail.com
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tgleason
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Joined: Aug 2004

Note Tuesday August 10, 2004 07:53 View thread in raw text format
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The turbo's get worse mileage. I have a many friends that had the 6.2 and got a few miles per gallon better than my 6.5. Also gear ratios, are they the same in both vans?

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Sparky1961
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Joined: Jun 2004

Note Wednesday August 11, 2004 00:47 View thread in raw text format
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Yes both had the same gearing. I just drilled holes in the plastic air intake just so it can breath better. NO APPECIABLE DIFFERENCE. I am glad to see GM has stopped building this "diesel".

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b1mmuo27@hotmail.com
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tgleason
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Joined: Aug 2004

Note Thursday August 12, 2004 11:04 View thread in raw text format
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GM has not stopped building this diesel. It is my understanding that this 6.5 is still used in the military hummers and some other military applications. THe hummers for a few more years at least.

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