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05-29-2013, 12:50 PM
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#1
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I, Vettezuki
Join Date: Feb 2006
Posts: 14,754
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Improve mpg of Cummins
My mom has a 98 Dodge with the Cummins. It's bone stock. This summer it's going to be going cross country and back. Are there any relatively easy/cheap ways to improve mpg over stock other than just keep your foot out of it? Guy mentioned something about tuning the fuel system that gives more power and mpg, but I didn't get how that would work.
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05-29-2013, 01:55 PM
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#2
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pain's fun, hit me again
Join Date: Sep 2009
Posts: 6,264
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Quote:
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Originally Posted by Bruce Lee
Forget about winning and losing; forget about pride and pain. Let your opponent graze your skin and you smash into his flesh; let him smash into your flesh and you fracture his bones; let him fracture your bones and you take his life. Do not be concerned with escaping safely — lay your life before him
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To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts. Stopping the world!
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05-29-2013, 09:45 PM
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#3
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Senior Member
Join Date: Jan 2010
Posts: 1,255
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Chip it, You can get way more power and way more MPG
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2006 CTS-V
1993 Trooper
1991 Impulse RS
1988 Trooper II SAS
1986 TrooperII (No Rear)
1988 Impulse (dead)
1983 K20
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05-29-2013, 10:36 PM
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#4
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Senior Member
Join Date: Jun 2009
Posts: 2,509
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Bullydog and Banks make tuners that you can change the tune with a little screen that you mount inside the cab.
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93 GMC Typhoon: new money pit/PITA. Now GT3788R powered.
Boost, because sometimes atmospheric pressure just isn't enough.
"If it has tit's or tires, you can be pretty sure your going to have problems with them..."
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05-29-2013, 11:45 PM
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#5
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I, Vettezuki
Join Date: Feb 2006
Posts: 14,754
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It's mpg, not power I'm after really because that trans is a weak link (much more than the Allison in the GM trucks). I'll check the tuner products and see if any can be had cheap enough to make sense. Trip is basically to Milwaukee and back.
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05-30-2013, 03:14 AM
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#6
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pain's fun, hit me again
Join Date: Sep 2009
Posts: 6,264
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Quote:
Originally Posted by Damian
Bullydog and Banks make tuners that you can change the tune with a little screen that you mount inside the cab.
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Fuck both of those tuners. If you do get a tune don't cheap out with a canned boxed piece of shit and go to a reputable tuner.
__________________
Quote:
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Originally Posted by Bruce Lee
Forget about winning and losing; forget about pride and pain. Let your opponent graze your skin and you smash into his flesh; let him smash into your flesh and you fracture his bones; let him fracture your bones and you take his life. Do not be concerned with escaping safely — lay your life before him
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05-30-2013, 03:15 AM
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#7
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pain's fun, hit me again
Join Date: Sep 2009
Posts: 6,264
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Quote:
Originally Posted by Vettezuki
It's mpg, not power I'm after really because that trans is a weak link (much more than the Allison in the GM trucks). I'll check the tuner products and see if any can be had cheap enough to make sense. Trip is basically to Milwaukee and back.
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Generally anything that increases power on a diesel increases mileage. largly due to injection timing and whatnot. Heavy foot it and you'll get shitty mileage, light foot it and it gets better.
__________________
Quote:
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Originally Posted by Bruce Lee
Forget about winning and losing; forget about pride and pain. Let your opponent graze your skin and you smash into his flesh; let him smash into your flesh and you fracture his bones; let him fracture your bones and you take his life. Do not be concerned with escaping safely — lay your life before him
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To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts. Stopping the world!
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05-30-2013, 10:36 AM
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#8
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Senior Member
Join Date: Jun 2009
Posts: 2,509
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Quote:
Originally Posted by Shaolin Crane
Fuck both of those tuners. If you do get a tune don't cheap out with a canned boxed piece of shit and go to a reputable tuner.
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Why? Both make really cool setups for him. Both units can go from fuel economy to performance settings really quickly.
__________________
93 GMC Typhoon: new money pit/PITA. Now GT3788R powered.
Boost, because sometimes atmospheric pressure just isn't enough.
"If it has tit's or tires, you can be pretty sure your going to have problems with them..."
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05-30-2013, 02:31 PM
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#9
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pain's fun, hit me again
Join Date: Sep 2009
Posts: 6,264
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Quote:
Originally Posted by Damian
Why? Both make really cool setups for him. Both units can go from fuel economy to performance settings really quickly.
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Because they're all flash and aren't worth the plastic they're made with. Better tunes from reputable tuners than the generic shit that simply raises the rev limiter and fuel amount. My dads Banks tuned truck can't touch mine with a 3 truck head start and he's got "better" parts.
__________________
Quote:
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Originally Posted by Bruce Lee
Forget about winning and losing; forget about pride and pain. Let your opponent graze your skin and you smash into his flesh; let him smash into your flesh and you fracture his bones; let him fracture your bones and you take his life. Do not be concerned with escaping safely — lay your life before him
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To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts. Stopping the world!
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05-30-2013, 02:37 PM
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#10
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Senior Member
Join Date: Jan 2010
Posts: 1,255
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Quote:
Originally Posted by Shaolin Crane
Because they're all flash and aren't worth the plastic they're made with. Better tunes from reputable tuners than the generic shit that simply raises the rev limiter and fuel amount. My dads Banks tuned truck can't touch mine with a 3 truck head start and he's got "better" parts.
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You mean your truck with a broken motor? 
__________________
2006 CTS-V
1993 Trooper
1991 Impulse RS
1988 Trooper II SAS
1986 TrooperII (No Rear)
1988 Impulse (dead)
1983 K20
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