How to get better mpg? Lbz DMax
#11
02-18-2013, 10:02 AM
Diesel Bomber
If i drive like a grandpa I might squeese 21-22mpg out of her, but thats it, and I don't drive like a grandpa often
Mines straight piped out the back and it's quite fine inside the cab, I can easily have a normal conversation with my fiance in the passenger seat, or anyone in the back for that matter, on the highway its quite tame, only once I step on the torque pedal does it make noise, and what a noise!
Mines straight piped out the back and it's quite fine inside the cab, I can easily have a normal conversation with my fiance in the passenger seat, or anyone in the back for that matter, on the highway its quite tame, only once I step on the torque pedal does it make noise, and what a noise!
#13
05-09-2013, 09:10 PM
Newbie
Join Date: May 2013
Location: Phoenix, Az.
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PPE air box mod
I looked at the PPE airbox mod for the LBZ, I just removed the sheet metal inside the fenderwell blocking the intake (no mention of this on any other sites) and the turbo spooled a little quicker. I did NOT do any cutting (PPE mod) to the air box, why, I found dirt and debris at the bottom of the box that the factory "air spinner" stopped from going directly into the filter including water. Your truck and choice and at 45.00 a filter and water ruining the filter it was an simple decision for me. My truck my choice .........
#15
05-10-2013, 06:04 AM
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Join Date: May 2013
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Thats unfortunately is the only way to drive them, I kinda drive like I almost stole mine. My Uncle Charlie worked on Cummins/Alllisons (what a perfect match) years ago and always told me never dog/lug a diesel, it'll shorten their life. This is what he told me, 1/2 down on the throttle bring up to speed and let up for cruising. 1500-2200RPM is optimum depending gearing and tires
When in town at 35-40 and under I have my tranny in 3rd gear, 4th is used 45-50 overdrive 5th-6th for the freeway only. I make an effort never to run under about 1500RPM in town. I still average 15 in town and about 18-20 freeway if I cruise.....!!!
When in town at 35-40 and under I have my tranny in 3rd gear, 4th is used 45-50 overdrive 5th-6th for the freeway only. I make an effort never to run under about 1500RPM in town. I still average 15 in town and about 18-20 freeway if I cruise.....!!!
#17
11-27-2013, 07:35 PM
#18
11-27-2013, 08:29 PM
5w-40 & 15w-40 depending on weather
the duramax is pritty easy on oil. with regular oil changes and non synthetic oil these engines will still go 500K+ miles. the truck will fall apart before the engine requires a rebuild
as for what most seam to recommend based on performance & price is Rotilla, available at walmart: Shell Rotella T 15W40 Motor Oil, 1 Gal - Walmart.com
just follow the owners manual and you will be fine. now if you own an LB7, well no oil will fix them
the duramax is pritty easy on oil. with regular oil changes and non synthetic oil these engines will still go 500K+ miles. the truck will fall apart before the engine requires a rebuild
as for what most seam to recommend based on performance & price is Rotilla, available at walmart: Shell Rotella T 15W40 Motor Oil, 1 Gal - Walmart.com
just follow the owners manual and you will be fine. now if you own an LB7, well no oil will fix them
#19
01-30-2014, 04:27 PM
#20
04-11-2017, 07:37 PM
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 ***-a-parts wanting to mess with you 
. 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 
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 *** but is that O.D mpg reliable?
. 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 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 *** but is that O.D mpg reliable?
