Hp question.
#1
Hp question.
So I'm gonna be building either a 12v or a 24v for a dually I'm putting together and was just curious as to which one I could build to make the best MPG but still have a respectable HP number. And also at what HP does either one start pouring soot? I don't wanna be covering my 5th wheel with soot every time I hook up.
Thanks in advance. And as you can tell I'm fairly new to the cummins side of diesels.
Thanks in advance. And as you can tell I'm fairly new to the cummins side of diesels.
#2
If MPG's is what you looking for with a decent HP number, I would go with a 12 valve. I'm hovering between 370 and 400 ponies, MPG's are around 21 to 24 going down the highway, and it only puffs when I hit the throttle, and clears up immediately. Mind you, i'm running 3.55 gears with 33's. I would imagine that a dually would be a little harder on fuel, but not to much.
With my trailer hooked, atv in the box, I get a solid 19 mpg going down the highway at 60 mph (95 to 100 km/h).
Smoke is pretty easy to control with a 12 valve. Tune the AFC properly, and you'll get very minimal smoke like I do. Ppump is the way to go my friend. Not taking anything away from EFI as you can tune them to no end, but a properly tuned 12 Valve will get them job done very well, and not have to worry about electronics malfunctioning, and fuel pumps dying.
That just my 2 cents.
Corb
With my trailer hooked, atv in the box, I get a solid 19 mpg going down the highway at 60 mph (95 to 100 km/h).
Smoke is pretty easy to control with a 12 valve. Tune the AFC properly, and you'll get very minimal smoke like I do. Ppump is the way to go my friend. Not taking anything away from EFI as you can tune them to no end, but a properly tuned 12 Valve will get them job done very well, and not have to worry about electronics malfunctioning, and fuel pumps dying.
That just my 2 cents.
Corb
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Fox (01-21-2013)
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