couple of mod questions - Ford Powerstroke Diesel Forum

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post #1 of 26 Old 11-02-2010, 04:05 PM Thread Starter
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couple of mod questions

i have a 02 with 128,000 on it bone stock the fuel mileage is killing me and my goal is to gain some more mileage and a little more power with out spending a ton. So far i did the diy 6637 and next im going to do the muffler delete i dont think by putting a full system on it is going to make that much more of a differance i have been researching chips and i think im am going to go with a php tuner. this question prob has been asked before but with the chip am i going to take away from my engine and trannys life and cause premature failure to these? my truck still has a powertrain warranty for another 80,000 on it and if i were to put a chip on is it easy enough to take it out so no one would no i had it on the truck incase something major was to happen ? hopefully someone can give me there .02 cents on this
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post #2 of 26 Old 11-02-2010, 04:28 PM
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the engine can handle it fine its been way detuned. these things can take alot. the trans is the weak point. i suggest better cooling and a valve body to start1
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post #3 of 26 Old 11-02-2010, 05:41 PM
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the engine can handle it fine its been way detuned. these things can take alot. the trans is the weak point. i suggest better cooling and a valve body to start1
A John Wood Or BTS valve body are probally your best bets there.

2001 F-250, 6 speed trans, BDP Tunes, Autometer Ultralite gauges
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post #4 of 26 Old 11-02-2010, 07:06 PM
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Whats your idea of "bad mileage"? I'd def do the straight pipe at the minimum tho...
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post #5 of 26 Old 11-03-2010, 12:22 PM Thread Starter
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im getting about 12-13 arond town and the best i can get on the highway is about 17 but usally 16.5 the muffler delete is def next
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post #6 of 26 Old 11-03-2010, 01:20 PM
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Originally Posted by 02 f250 View Post
im getting about 12-13 arond town and the best i can get on the highway is about 17 but usally 16.5 the muffler delete is def next
Sounds about right to me.

2001 F-250, 6 speed trans, BDP Tunes, Autometer Ultralite gauges
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post #7 of 26 Old 11-03-2010, 03:18 PM
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^It does? My old late '99 6spd never got below 17-18mpg city beating the **** out of it. Normally I got about 22mpg city though. I dont know what the heck you guys are doing to get that kinda mileage...
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post #8 of 26 Old 11-03-2010, 06:02 PM
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^It does? My old late '99 6spd never got below 17-18mpg city beating the **** out of it. Normally I got about 22mpg city though. I dont know what the heck you guys are doing to get that kinda mileage...
You also have a 4X2 thats has less wind resistance and less rolling resistance and weighs less than a 4X4. Elevation plays a big part in milage also, the closer to sea level you are the denser the air which = more oxygen and will give you better and more complete combustion.

2001 F-250, 6 speed trans, BDP Tunes, Autometer Ultralite gauges
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post #9 of 26 Old 11-03-2010, 06:13 PM Thread Starter
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Does anyone offer a tuner the goes threw my ob2 port that has custom tunes and also tunes the trans. I dont want ford to void my warrenty if something breaks beacuse they found evidence of one being on the truck
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post #10 of 26 Old 11-03-2010, 06:24 PM
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Use a custom tuned chip. PHP, TW, Beans, Gearhead, DP are what a lot of people run. I have a php. I really like it cause its switch on the fly and all you have to do is physically remove it to take it off. Takes 30 seconds to remove.


mine
2002 F250 7.3l Powerstroke
AFE Stage 2 Intake
MBRP 4inch Turbo back exhaust straight piped
Autometer gauges z-series pyro, boost, tranny temp
PHP F.U. Chip
4 inch rough country lift, 315/75/16 mud grapplers, and procomp 1069 16x10

dads
2011 F350 SRW CCSB KR 6.7l Powerstroke
http://s84.photobucket.com/albums/k2..._sigmon/Truck/

FB: Tyler Sigmon
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