fuel plate for mileage - Diesel Bombers

12 Valve 2nd Gen Dodge Cummins 94-98 Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with P7100 Injection Pumps

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Old 08-13-2010, 07:56 PM
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Join Date: Jun 2009
Location: Tennessee
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Default fuel plate for mileage

I have a #0 fuel plate and wonder if it would be better to cut my stock plate
like a #10 plate for mileage and some trailer pulling. Any advise?
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Old 08-13-2010, 09:20 PM
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Join Date: Aug 2009
Location: portland oregon
Posts: 462

your foot is really going to control your milage not the plate. each plate just gives different rack travel. advance your timing and that will give some better mileage.

---AutoMerged DoublePost---

p.s a #10 is good for pulling as egts are much better.

Last edited by lodal cummins; 08-13-2010 at 09:20 PM. Reason: Automerged Doublepost
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Old 08-13-2010, 09:43 PM
wes-cummins's Avatar
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Join Date: Dec 2009
Location: wisconsin
Posts: 576

the factory plate is the would be better for milage
but as stated above the right foot is the best milage control
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Old 08-14-2010, 04:06 PM
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Join Date: Nov 2009
Location: Twin Lakes, IDAHO
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Default The "Pac-Man" Plate

My local diesel mechanic happens to be good buds with my dad. We own a machine shop accross the street from him and he has us machining his fuel plates for him when they come in. If you've heard of the #100 plate you know what it is already... if not, it's simply a #0 but half way down the flat it has a 45 degree cut back... we machine them with a 30 degree cut back and make what we call the Pac-Man because at the end it looks like a pac-man dude. Slide this plate all the way forward and everyone... not just some... everyone has experienced 5-7 mpg increase over stock. One of the guys in his 2x4 is gettin 27 mpg just around town and still gets 20 with his 5th wheel accross Montana. The plate's pretty simple and puts out a little less power but it's not as harsh on your EGT's as a #0.
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Old 08-15-2010, 09:30 PM
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Location: hardin il
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Old 05-03-2016, 02:01 AM
Join Date: May 2016
Posts: 1

Jrross is your shop cutting that exactly like a #100 plate or is it different? If it is different I would like to buy one and try it out if possible?

Thanks, Mark
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Old 05-04-2016, 11:44 AM
Diesel Wrench
Join Date: Sep 2010
Posts: 516

a plate won't affect mpg, your afc tuning is what controls that. as well as buying plates is a waste of money. get afc live, look it up at power driven diesel. its a tuner that lets you control the "fuel plate" actions and tune the afc from in the cab which is what controls your mpg.
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Old 05-04-2016, 07:51 PM
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Join Date: Oct 2010
Location: New England
Posts: 1,286

Or just take the plate out and use your foot.
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