Towing: V10 vs 7.3
#31
Everyone on this forum must have better fuel available than we have in Central FL lol I see awesome MPG ratings & wonder how my trucks never that much.
1998 Dodge Ram ext cab 2500 Cummins 24v 4X4 w/ a HEAVY landscape bed = 13/14 city, 15/16 hwy
2004.5 Dodge Ram quad cab 4X4, 6.25' bed 2500 Cummins "hi-output 610lbs torque = 14/15 city, 16/17 hwy
Current trucks:
1994 F350 crew cab 8' bed 2wd, 5.8l v8 = 6.75mpg ALL the TIME!
2001 F250 ext cab 6.25' bed 4X4 lariat v10 = 8 towing 3-5K lbs, 9.4 city/hwy.
Where is the secret fuel?! Let me get some!!
1998 Dodge Ram ext cab 2500 Cummins 24v 4X4 w/ a HEAVY landscape bed = 13/14 city, 15/16 hwy
2004.5 Dodge Ram quad cab 4X4, 6.25' bed 2500 Cummins "hi-output 610lbs torque = 14/15 city, 16/17 hwy
Current trucks:
1994 F350 crew cab 8' bed 2wd, 5.8l v8 = 6.75mpg ALL the TIME!
2001 F250 ext cab 6.25' bed 4X4 lariat v10 = 8 towing 3-5K lbs, 9.4 city/hwy.
Where is the secret fuel?! Let me get some!!
#32
No secrets, you're just telling the truth. Sure my V10 got 11.3 mpg.....once. Running avg is 9.02 with a low of 6.38. I'm sure some get better but when the internet mpg battles show up I'm sure lots just post their few bests vs true avg and many may not know a true avg.
Yea yea I have a dually so it'll be worse but I don't believe half the numbers. Buddy has had newer cummins trucks every few years. Tells me he gets 12 towing a 20ft enclosed trailer. He did say his 02 would get 19-20 highway after mods.
Yea yea I have a dually so it'll be worse but I don't believe half the numbers. Buddy has had newer cummins trucks every few years. Tells me he gets 12 towing a 20ft enclosed trailer. He did say his 02 would get 19-20 highway after mods.
#33
#35
I'd like to run regular E0 in all my stuff, but can only get premium around these parts.
#36
#37
As a farmer/cattle feeder I get a double bonus as I some of my corn goes to the ethanol plants and I then buy the distillers byproduct for cheaper feed/protein for my cattle. I've experimented with mpg tests with E10 and straight gas with mixed results and have also found that with newer fuel injected vehicles with well sealed fuel systems Ethanol isn't a problem but in small engines with carburetors and probably older vehicles with carburetors if they sit for very long in humid climates you have nasty green deposits in your fuel bowl. The pump labeling is very poorly done for ethanol, the premium hi octane gas is much more likely to have it but not necessarily labeled for Ethanol, the low grade low octane gas is is generally more likely to not have ethanol because it's a higher octane fuel so 85 octane is generally the only fuel that's pure gasoline but good luck finding that around hear.
#38
I can get non ethanol in several places where I live, but only in 91 octane premium. And it's quite a bit more $$ per gallon.
I use it exclusively in the Harleys and any small engine application. The other vehicles are supposed to be designed for the ethanol crap so I use it in those to save money. It's bad enough that my state has 45¢ or more in taxes on every gallon.
I use it exclusively in the Harleys and any small engine application. The other vehicles are supposed to be designed for the ethanol crap so I use it in those to save money. It's bad enough that my state has 45¢ or more in taxes on every gallon.
#39
I can get non ethanol in several places where I live, but only in 91 octane premium. And it's quite a bit more $$ per gallon.
I use it exclusively in the Harleys and any small engine application. The other vehicles are supposed to be designed for the ethanol crap so I use it in those to save money. It's bad enough that my state has 45¢ or more in taxes on every gallon.
I use it exclusively in the Harleys and any small engine application. The other vehicles are supposed to be designed for the ethanol crap so I use it in those to save money. It's bad enough that my state has 45¢ or more in taxes on every gallon.
Yep. Feelin that tax pain.
#40
FWIW (and I don't mean to hijack this thread too badly)...in 04 or 05, I think the injection sequence changed, to a multiple small volume injection before the "main" injection. Doing so quieted the 5.9L significantly. But it came at the cost of a bit of fuel mileage.
#41
Yeah only 5 years to maybe 10 the 7.3. Over 10 years definitely the V10
I'm planning on keeping mine until the truck falls apart.
Then put it back together again and see how much longer I can get.
Only 6 years so far. Barely gettin' er broke in.
I'm planning on keeping mine until the truck falls apart.
Then put it back together again and see how much longer I can get.
Only 6 years so far. Barely gettin' er broke in.
#42
I used to track every single fillup, up to year 4 with the truck. For a while my rolling average was well above 13.
Now that's with a SRW, and mostly highway. Loaded, I'd rarely pull more than 8,000 lbs, and that's some of those 11.x figures. The green line btw is what the dash would say. It was almost always exactly .6-.7 higher than my calculation.
Unfortunately when I put new tires on it last year, I lost a good 1-2mpg. I didn't realize how much a difference even in the tiny stock size tire that different brands would make!
#43
Dang. I think I might have got as LOW as 11.3 once or twice!
I used to track every single fillup, up to year 4 with the truck. For a while my rolling average was well above 13.
Now that's with a SRW, and mostly highway. Loaded, I'd rarely pull more than 8,000 lbs, and that's some of those 11.x figures. The green line btw is what the dash would say. It was almost always exactly .6-.7 higher than my calculation.
Unfortunately when I put new tires on it last year, I lost a good 1-2mpg. I didn't realize how much a difference even in the tiny stock size tire that different brands would make!
I used to track every single fillup, up to year 4 with the truck. For a while my rolling average was well above 13.
Now that's with a SRW, and mostly highway. Loaded, I'd rarely pull more than 8,000 lbs, and that's some of those 11.x figures. The green line btw is what the dash would say. It was almost always exactly .6-.7 higher than my calculation.
Unfortunately when I put new tires on it last year, I lost a good 1-2mpg. I didn't realize how much a difference even in the tiny stock size tire that different brands would make!
#44
How many of you, who have switched from the V10 to the 7.3 or viceversa, used them to pull at high altitudes (6000+ ft)?
I have a 2008 F350 v10 4x4 4.30s, and while I can maintain 65 on pretty much all hills, 15 minutes of 4500+ rpm is insane to me. It really seems like the truck can't breathe at 6-9k altitude (highest I've gone) when pulling, and my trailer isn't quite that heavy, 23ft bumper pull toy hauler, around 5-5.5k lbs the way I have it loaded when camping.
I am really wondering if a 7.3 would hold the load better/easier at higher altitudes, I would definitely try to find one with a manual if I got one, the 4R100 is a terrible tranny... On paper, the 3v v10 eats the 7.3 alive, but I really wonder just how much power my truck makes up in the boonies... I don't see it making more than 200hp/300tq
Around town or until I start climbing, at 1400ft altitude, I will hold any hill at 75mph with the trailer behind me, without getting out of 4th gear... as soon as I get around payson/prescott/flagstaff, it's 2nd-3rd gear and 4500+ rpm if I want to hold 65...
Empty the truck gets 11.5-12mpg, a bit lower than my older 2v trucks, and pulling the toy hauler, in Arizona, it's around 8-9 average.
I have a 2008 F350 v10 4x4 4.30s, and while I can maintain 65 on pretty much all hills, 15 minutes of 4500+ rpm is insane to me. It really seems like the truck can't breathe at 6-9k altitude (highest I've gone) when pulling, and my trailer isn't quite that heavy, 23ft bumper pull toy hauler, around 5-5.5k lbs the way I have it loaded when camping.
I am really wondering if a 7.3 would hold the load better/easier at higher altitudes, I would definitely try to find one with a manual if I got one, the 4R100 is a terrible tranny... On paper, the 3v v10 eats the 7.3 alive, but I really wonder just how much power my truck makes up in the boonies... I don't see it making more than 200hp/300tq
Around town or until I start climbing, at 1400ft altitude, I will hold any hill at 75mph with the trailer behind me, without getting out of 4th gear... as soon as I get around payson/prescott/flagstaff, it's 2nd-3rd gear and 4500+ rpm if I want to hold 65...
Empty the truck gets 11.5-12mpg, a bit lower than my older 2v trucks, and pulling the toy hauler, in Arizona, it's around 8-9 average.