tuned afc......14mpg at the best.. - Dodge Cummins Diesel Forum

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post #1 of 14 (permalink) Old 03-15-2011, 07:10 PM Thread Starter
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tuned afc......14mpg at the best..

How can I pick up fuel mileage


96 3500,nv4500,23*, DFI 5x16, hx52 ,5"exhaust, no plate, afc tuned, rack plug,4k's, valve springs, titanium keepers retainers, studs, fire rings. DD and part time puller
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post #2 of 14 (permalink) Old 03-15-2011, 07:49 PM
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get your foot out of it :P

what gears?

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post #3 of 14 (permalink) Old 03-15-2011, 08:12 PM
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No offense, but a thread pretty much like this started a few hours earlier...
Ya may as well go join into that one, because the exact same thing is being discussed.

A twist on the standard MPG question.

Last edited by Algae Eater; 03-15-2011 at 08:14 PM.
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post #4 of 14 (permalink) Old 03-15-2011, 08:34 PM Thread Starter
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Here's a twist my fuel mileage has progressively gotten qorse over the last six months.... and I dont srive qny different.3.55 gears

96 3500,nv4500,23*, DFI 5x16, hx52 ,5"exhaust, no plate, afc tuned, rack plug,4k's, valve springs, titanium keepers retainers, studs, fire rings. DD and part time puller
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post #5 of 14 (permalink) Old 03-15-2011, 11:51 PM
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Rotated barrels? Did you take your pump in or do this on your own? How many miles on the truck and injectors? Have you checked your timing lately?

2005 Black 3500 QCLB 4x4 Firepunk A/T - Aka: Gettin' Outta Hand 13.6@101.7 *Currently in Pieces*
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post #6 of 14 (permalink) Old 03-17-2011, 12:56 PM
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May be wrong, but i think "the all knowing Kronic" ripped the OP one time cuz he messed w/ the barrels/plungers...

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post #7 of 14 (permalink) Old 03-17-2011, 01:07 PM
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Well as much as it pains me to agree with him, I do... It's not like turning the fuel screw on a ve44 pump. But if I were going to guess, I would say that and timing. I'd think about pulling the pump and having it looked over and re-balanced.

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post #8 of 14 (permalink) Old 03-17-2011, 02:27 PM
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im only chiming in because my gas mileage had been dropping gradually and last i checked it was 14mpgs. i went to regear my truck tuesday and during inspection i actyually found the shims on the pinion worn out and i had about a inch of play. i had NO noise and the normal slight clunk when appling in gear. i installed some 4.10s and took out my 3.55s and now im def getting better gas mileage.

anyways my point is make sure nothing is creating drag in the driveline.

97' 4x4 12v,transgo vb/3disc TC/built trans,custom plate,modded afc, 4"str8 pipe,ps62,4gsk,21*,omega fuel modded 370,2095,ported manifold,modded air filter set up,synthetic 75w90 all around,gauges,35 on H2's,KORE coils,carli 2.0,4.10,agr gearbox
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post #9 of 14 (permalink) Old 03-17-2011, 02:32 PM
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anybody take into account winter blend fuel.......

98 12v hand shaker, Mumau diesel, Keystone diesel
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post #10 of 14 (permalink) Old 03-17-2011, 02:36 PM
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^^^^^ Yeah that too...

BTW, PVAUTO- What you do with the 3.54's?

2005 Black 3500 QCLB 4x4 Firepunk A/T - Aka: Gettin' Outta Hand 13.6@101.7 *Currently in Pieces*
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post #11 of 14 (permalink) Old 03-17-2011, 03:22 PM
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there just sitting on the bench now. i dont recommend running them if you have bigger tires. trans dont like it and it makes it lug some. pm me if your intrested in buying them

97' 4x4 12v,transgo vb/3disc TC/built trans,custom plate,modded afc, 4"str8 pipe,ps62,4gsk,21*,omega fuel modded 370,2095,ported manifold,modded air filter set up,synthetic 75w90 all around,gauges,35 on H2's,KORE coils,carli 2.0,4.10,agr gearbox
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post #12 of 14 (permalink) Old 03-18-2011, 07:19 AM
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Quote:
Originally Posted by Algae Eater View Post
No offense, but a thread pretty much like this started a few hours earlier...
Ya may as well go join into that one, because the exact same thing is being discussed.

A twist on the standard MPG question.
you should start all your posts with "no offense"

98 12v hand shaker, Mumau diesel, Keystone diesel
Running Mayville WI's best injectors
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