6.7 vs 5.9

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Dec 6, 2009 | 04:07 PM

#11

NickBeek

Record Breaker

Joined: Jul 2006

Posts: 1,808

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From: Upstate, SC

Quote:

Originally Posted by Coal Train

Ahh, you are correct. Never noticed the 3.42 option on them.

If you're getting 20.9 out of that motor, you need to share some of your secrets with the group because that is 4 - 8 MPG above the norm on most 6.7 trucks.

That and don't change one single thing about the truck, cause you got a good one there.

Dec 6, 2009 | 07:44 PM

#12

k_vandenbos

Registered User

Joined: Dec 2009

Posts: 4

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Yeah I know. I'm lucky to have gotten a good one. We have an 08 too and the best we have ever got was 17. It is the same as mine but a long box with 3.73. It has around 17,000 on it. Don't know what the difference is.

At 75 I make about 18.5-19. I am really pleased. The manual makes a difference too i suppose. I'd really like to see what she makes when all my emissions crap falls off.