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does diesel really get better fuel millage?
and if so how much better.
thanks
Clint
Depends on 2 vs 4wd and axle ratios and tires.
I get 21 on long 600 mile trips not towing.
The v8/v10 ex folks get 10-14 hiway.
I get 15-18 around town.
i would say it depends on the setup..my 5.4 super cab short bed 4x4 373s can get over 20 mpgs highway at 45, 18 at 55, 16ish at 60 to 65 and about 15 at 70 all according to scan gauge 2
Depends on 2 vs 4wd and axle ratios and tires.
I get 21 on long 600 mile trips not towing.
The v8/v10 ex folks get 10-14 hiway.
I get 15-18 around town.
Originally Posted by Hotpocket
i would say it depends on the setup..my 5.4 super cab short bed 4x4 373s can get over 20 mpgs highway at 45, 18 at 55, 16ish at 60 to 65 and about 15 at 70 all according to scan gauge 2
It does not depend on the set up at all. Thats like saying a Prius only gets better mileage because its a hybrid car. Comparing 2wd manual SRW to a 4x4 auto DRW is not the same thing. Apples and oranges.
The question is which ENGINE gets better mileage, not which CONFIGURATION gets better mileage. So in a CCLB 4x4 automatic SRW, a diesel will get better mileage than a gas motor in the same truck.
It does not depend on the set up at all. Thats like saying a Prius only gets better mileage because its a hybrid car. Comparing 2wd manual SRW to a 4x4 auto DRW is not the same thing. Apples and oranges.
The question is which ENGINE gets better mileage, not which CONFIGURATION gets better mileage. So in a CCLB 4x4 automatic SRW, a diesel will get better mileage than a gas motor in the same truck.
that is what i meant by setup..the 5.4 is a weaker motor then the v10 and a cc lb is alot heavier then a scsb or single cab lb so the 5.4 will prolly get similar mileage to a v10 in that setup because the 5.4 is always straining..but in the short wheelbase trucks the 5.4 is not straining as bad and
tends to get pretty decent mileage..so the "setup" would be my deciding factor based on mileage..in my experience with fleet 7.3s they get about 14 mpgs in the cclb and and the gassers get about 11 cc lb (v10 and v8) ...but my scsb consistently gets 16 ...i don't think a comparable diesel gets THAT much better to justify the expense...it just depends what config he wants
I thought it was a given that diesels get better MPG.
That they do. Like everything else in this world it comes with a fee. At the moment a $0.50/gallon surcharge as well as the added cost, complexity, and maintenance expense of owning a diesel.
Whether or not it's worth it depends on the situation and budget. I've had two diesels in the past and am currently a very happy V10 owner. And Trey, I'd love to know the conditions where you get 16 and your buddy gets 11. Just this afternoon I was pulling nearly 12 MPGs towing my 3,500 lb boat back from the shop!
And Trey, I'd love to know the conditions where you get 16 and your buddy gets 11. Just this afternoon I was pulling nearly 12 MPGs towing my 3,500 lb boat back from the shop!
Freeway from Ventura, CA to Pismo Beach, CA, 55mph the whole way. Granted he had a trailer, but it weighs 900lbs dry and it only had a quad in it. He also had a quad in the bed, but so did I. Really I dont think it would have contributed too much to a "strain" on the motor. I was carrying maybe 300lbs payload and he was towing 1200lbs?
I'm not trying to undersell the V10, that thing has more than proved itself. It never gets the maintenance it needs and has never complained. I'm just simply saying shes a thirty gal
In addition to her 11MPG she also enjoys about 2-3 quarts of oil every 10,000 miles.
Diesel will get better mileage. Will it cost less per mile? That could go either way. If we are talking newer trucks, probably not. Too many other added costs with the diesels. In my case, I save money now using V10's.
That they do. Like everything else in this world it comes with a fee. At the moment a $0.50/gallon surcharge as well as the added cost, complexity, and maintenance expense of owning a diesel.
Whether or not it's worth it depends on the situation and budget. I've had two diesels in the past and am currently a very happy V10 owner. And Trey, I'd love to know the conditions where you get 16 and your buddy gets 11. Just this afternoon I was pulling nearly 12 MPGs towing my 3,500 lb boat back from the shop!
You're getting 12mpg with 4:30 gears towing 3.5K?? That's outstanding, I never saw over 9mpg towing that weight with 3:73's. That was only reason I went to a diesel.
You're getting 12mpg with 4:30 gears towing 3.5K?? That's outstanding, I never saw over 9mpg towing that weight with 3:73's. That was only reason I went to a diesel.
Yup, but this was also the first trip out with my new transmission thermostat. So the trip home with the boat had the transmission at 175-180° instead of the relatively frosty 120-130° it used to run, and the transmission is more efficient when it's up to temp. Seems a bit far fetched to me that it would have a meaningful increase in gas mileage, but I was about 1 MPG over what I usually am yesterday, so I don't know.
With 35s, i typically get 11-12.5 driving around town/some hwy, but that is extremely LIGHT driving, rarely over 2300rpm. Highway i can get 15-16 if i try, with stock tires i could pull 17 sometimes, and 13-14 around town
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