How Far on a Tank of Fuel?

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Mar 24, 2006 | 02:32 PM

#31

Blowndodge

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Joined: Apr 2002

Posts: 234

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From: southern cal.

440 miles, all city driving before low fuel light goes on; 5 gallons to fill. 550 highway miles before low fuel light glows if I don't drive much past 70mph.

brad

Mar 24, 2006 | 02:35 PM

#32

pwrtripls1

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Joined: May 2005

Posts: 2,088

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From: Katy, TX off north Mason Road.

Quote:

Originally Posted by HaulinBut

Hope you 12V guys don't mind a 3rd. Gen. guy chirping in here.....I think if I ever get 700 miles per tank, I will just stand there and pee all over myself! Sig shows what I have, and I am very pleased with it, having pulled 625 on 33 gal, but of course I am wanting more. Hoping someone comes out with some electronics that eliminate the 3rd. injection pulse.
A couple of questions....what size tank on the earlier models, and what gears? I know the auto in mine, 4X4, along with not being able to get 3.55s ain't helping, but it is what it is. One advantage we have is if I do run it dry, this system is SUPPOSED to self prime when you pour in 5 gal. Don't want to test it though.

My tank was 31 gallon, 3.55 gears and the good ole' 3 speed 727 trany. Not bad especially for a non locking convertor and top speed of just over 80mph.

I was going to buy an 06' CC 4x4 cummins and drop in a 75 gallon in-bed tank. It would be nice to go from Maine to Texas without stoping. But I ended up getting the Yukon XL instead. I have been FEENING for another diesel, but the GMC should last 300,000+ miles too. If it doesnt a replacement engine is only $500.

Once I retire and get out of the Navy I plan on getting a new diesel. Cummins better hurry with the engine or I may get the LBZ Duramax.

Mar 24, 2006 | 02:37 PM

#33

pwrtripls1

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Joined: May 2005

Posts: 2,088

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From: Katy, TX off north Mason Road.

Made a mistake, my 89' had a 30 gallon tank. The Yukon has the 31.

Took the Yukon on a 5K mile round trip right after I bought it and averaged 21.4mpg all the way to TX and back. Not bad for a school bus gasser going 80.