Re: OT: 6.5 Chevy better MPG's????

Posted by jdemaris on April 24, 2006 at 10:59:23 from (66.218.25.177):

In Reply to: OT: 6.5 Chevy better MPG's???? posted by Tx Jim on April 23, 2006 at 10:27:25:

The main issue with your truck if it's a 2000 is the fuel delivery is turned way up. In 2000, I think only one version was available, rated at 195 horse and 430 lbs. of torque (VIN code X, L65). Compare that to an earlier version, like in 1994, there were three versions of the 6.5 - #1 was 155 horse (VIN code P) and 275 lb.s of torque, #2 was 180 horse and 360 lbs. of torque (VIN code S), and #3 was 190 horse and 240 lbs. of torque (VIN code F).
Also, keep in mind that these diesels have a much narrower efficiency curve than gas engines - so if the truck's RPMs are high at cruising speed, mileage drops much worse than a gas engine.
If you ever buy a truck, used, don't believe mileage stories until you try it. I bought my diesel Suburban from the original owner and he bragged for years that he got 25-30 MPG. It gets 14-20. I also bought a Ford 6.9 F250 from the original owner - he claimed it always got better than 25 MPG. It gets 10 - 14 MPG. Even my dad was a little off. He had a 1970 Buick Skylark with a 350 gas - and raved about the fuel mileage - over 20 he always claimed. Well, he died, and I used it for awhile. 13 MPG was the best it ever got - BUT - it had a large tank and the fuel gauge needle moved nice and slow. Only hurt when filling time came.
I was just talking to a young kid that has a fairly new Ford F250 diesel. I asked him what kind of mileage he gets - and he told me that there is no way to calculate the mileage because the truck does NOT have an onboard computer. Hmmm . . . not sure how to respond to that one.

Replies:

• Re: OT: 6.5 Chevy better MPG's???? Tx Jim 14:38:06 04/24/06 (3)
  • Re: OT: 6.5 Chevy better MPG's???? Bob 15:06:13 04/24/06 (2)
    • Re: OT: 6.5 Chevy better MPG's???? Tx Jim 06:13:04 04/25/06 (0)
    • Re: OT: 6.5 Chevy better MPG's???? jdemaris 05:46:29 04/25/06 (0)

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