how to get good fuel milleage
ive got a 99 cummins ext cab long box. its lifted 4 inches on 35s it has the 3:55 rear end. stock transmission. what upgrades could i do to get better fuel mileage. ive hurd tuners, bigger exhaust, injectors. not sure what to look for help me out if u can. thanks
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First is to put a good lift pump on (fass, airdog, raptor) and a fuel pressure gauge then you can think about a tuner.
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ya for sure good lp first then perhaps gauges after that intake/exhaust then tuner. thats how i did it atleast i just did a 1900 mile trip and averaged 23.4 mpg doing 75-80 so im happy with that.
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If you dont have a lift pump and gauges do it asap! Sounds like you have a auto in which case is good up to a few hp(around 60-70hp). You can run a full tuner on your truck(edge,quad ect) on a stock tranny but dont expect to be hard on it and for it to last forever. Once the tranny is built right then intake,exhaust,good tuner,small injectors will benefit you with a few mpgs. Your auto will have your mpgs lower and your 4in lift and 35's arent helping either. Im getting about 16mpg in town and 21highway im a 6 speed tho and 4.10's with 33's and leveling kit. I usually run with my edge on level 5 if I keep my foot out of it that usually results in the best mpg.
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Im new to this to. And i got to know. Why is a fuel gauge so important to mpgs? Isnt the fuel pressure going to be what its going to be regaurdless?
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Originally Posted by Dunright mobile
(Post 969726)
Im new to this to. And i got to know. Why is a fuel gauge so important to mpgs? Isnt the fuel pressure going to be what its going to be regaurdless?
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Ok thank u for clearing that up. Its a precaution or a saftey. Where can i get a fairly nice set up with all thos , on the pilar by the door is wher id like them
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Usually I buy stuff from dap(dieselautopower.com) they most of the time have a good price. I would go around to a couple different sites and compare prices. You might be able to find some Christmas deals going on right now. Oh and STAY AWAY FROM ANYTHING GLOWSHIFT!
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A pessure gauge will also let you know when its time to change the fuel filter. At the top of the page go to Armory and click on price quote. Start a new thread with what you would like a price on and the db sponsors will give you a price.
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I heard some people had trouble with glow shift gauges,mine have worked fine for 2 yrs they have been in
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