2000 7.3 Better Milage.... - Ford Powerstroke Diesel Forum
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Old 03-27-2012, 04:18 PM
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2000 7.3 Better Milage....

so, iv been debating on some ideas.... basically for better fuel milage getting a 6 position chip. but if i did that i should probly get gauges. and i dont know if i want to fork out the money for the chip and gauges... still debating in my head.

i've been doing some reading about Hutch/Harpoon mods in the super duty's and may tackle that when the weather is nicer, as some are saying better or improved fuel milage.

now, is there anything else i should/could do for better milage? say intake? exhaust? cut off the muffle? or am i wasting my time?
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Old 03-27-2012, 05:09 PM
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Start with the 4" turbo back exhaust and a DIY 6637 intake. Those will make the biggest difference for the price. Make sure the tires are aired up accordingly, the front end is aligned, the truck is as light as possible, and that your right foot is light.


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Old 03-28-2012, 02:16 AM
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^ what he said.

if you decide to go with a 6pos chip, make sure and get custom tunes
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Old 03-28-2012, 04:29 AM
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Hutch/harpoon will just help keep air out of the injectors and get more diesel in the tank.
DIY intake. Used a Baldwin filter.
Free flowing exhuast. Used a Walker BTM to keep it legal.
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Old 03-28-2012, 08:43 AM
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thanks guys, gonna get a 6637, cut my muffler off, and it was just aligned and i check my tires every sunday faithfully along with all levels of liquids. i try to drive with out getting into the go peddle. i'll be ordering a custom chip form TW or PHP once i start fishing. im also looking at getting a set of summer rims and tires, after market rims or a nice set of factory. any recomandations on tires/rims ?? size/style/etc???
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Old 03-29-2012, 04:40 PM
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If you want good gas mileage I would start with exhaust and 6637 intake. Keep the tires aired and if you can buy tires that are not aggressive. And also check your slide pins and calipers. Other then that you can get a tonneau cover that will give u a mpg or two mine did.

Most important is ur right foot. I wouldn't get a chip because u find yourself not being able to keep ur foot off the pedal.




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Old 03-29-2012, 06:43 PM
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free flow exhaust, better inlet filter and lighter foot on the go pedal
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Old 03-31-2012, 02:21 PM
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Quote:
Originally Posted by zrain25 View Post
If you want good gas mileage I would start with exhaust and 6637 intake. Keep the tires aired and if you can buy tires that are not aggressive. And also check your slide pins and calipers. Other then that you can get a tonneau cover that will give u a mpg or two mine did.

Most important is ur right foot. I wouldn't get a chip because u find yourself not being able to keep ur foot off the pedal.




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thanks for the reply. ordering a filter, and cutting off the muffler asap.

i'm pretty light in the go peddle, and will be even with a chip, im not even looking at the high hp settings etc... just economy daily high idle and tow. i do alot of towing so a toneau cover is not an option, and i have my tool box on there for my tools for lobster fishing/around the farm.

i checked my driveline yesterday. i need rear brake pads. so gonna do a through service there.
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Old 03-31-2012, 05:36 PM
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As for new tires. I would stick with the stock size. I went to 305/70-R16 and my mileage dropped about 1.5 mpg.
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Old 03-31-2012, 08:32 PM
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Quote:
Originally Posted by coot1 View Post
As for new tires. I would stick with the stock size. I went to 305/70-R16 and my mileage dropped about 1.5 mpg.
Did you calibrate the speedometer afterwards? If not, your mileage didn't actually go down that much because bigger tires will register less miles on the odometer for the same distance than smaller tires. My gas mileage actually got better when I went from 35's to 37's although that is a bit more tire than you are talking about. Nothing wrong with keeping stock sized tires either. Anyway, kind of got off track, just wanted to mention about the speedo calibration.
-Aaron
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