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-   -   How to get better mpg? Lbz DMax (https://www.dieselbombers.com/chevy-gmc-duramax-06-07-lbz/106622-how-get-better-mpg-lbz-dmax.html)

1959JD630 12-14-2012 07:40 PM

How to get better mpg? Lbz DMax
 
I have an 06 lbz dirtymax stock right now. I plan on doing a 4" turbo back exhaust S&B cold air intake and possibally efi live. Is there anything else I can do for fuel millage?

2004LB7 12-15-2012 07:25 PM

Keep efi live on your list, that will net you the most gain

19psi 12-19-2012 09:41 AM

drive slow and use stock size tires.

1AMatt 12-19-2012 11:31 AM

Intake, tune, and exhaust will help a ton! But also keeping your foot out of it all the time will help the most :tu:

jevanb 12-23-2012 05:09 PM


Originally Posted by 19psi (Post 973016)
drive slow and use stock size tires.

I am only getting 15 city and 20-21 hwy with my mods and I drive like miss daisy

1959JD630 12-24-2012 08:36 AM

Ha yeah keepin the petal soft is pretty hard when you got that 360 stock horse under you and you have a bunch of powerchokes and cum-a-parts wanting to mess with you lol. But I finally got my truck on the road ( registered and insured ) and I took it on the highway and the odometer said I was getting 21 mpg with a full cab and a quad in the bed :jump: but yet the only thing I did to it was cut the muffler and cat off so my exhaust ends right about under the passengers ass lol but is that O.D mpg reliable?

jevanb 12-24-2012 09:16 AM


Originally Posted by 1959JD630 (Post 974310)
I was getting 21 mpg

you might of been close but all DIC are off, next time fill to spill ,drive, then fill to spill.. how you stand the exh under the cab and no muffler?? must sound terrible and LOUD.. I put a muffler delete pipe in and removed after 2 days, sounded horrible and could not hear the radio, hook up the 13k camper and it was worse..

1959JD630 12-31-2012 10:09 AM

It's honestly not that bad I can listen to the radio no problem I can say it's defffenetly not nearly as bad as my brothers straight pipe lb7 with the pipe out the rear lol

19psi 01-01-2013 08:46 PM


Originally Posted by jevanb (Post 974190)
I am only getting 15 city and 20-21 hwy with my mods and I drive like miss daisy

that's usually about as good as you're going to get for something that weighs 7000lbs. dont' believe the guys telling you they're getting 25 on the highway.

1AMatt 01-03-2013 05:32 PM

Agreed... 20 Mpg in a 3/4 ton truck is pretty good!


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