Best fuel filter - Ford Powerstroke Diesel Forum
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post #1 of 33 Old 05-15-2011, 03:49 PM Thread Starter
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Best fuel filter

I will be changing my fuel filter tomorrow to see if it will help increase my fuel mileage. My question is should i go with the Motorcraft or get the Wix? Or is there a better one than either of those? Thanks

Tim

2001 F-250 Lariat CCSB, 4x4, ZF6 249k, 6.5" Procomp lift, 37" Toyo M/T's, 20" Fuel Hostages. PIS 160/30's, PHP Hydra, 6637, 4" exhaust, Tank mods, ISSPRO's, 08+ mirrors/tailgate/tail lights, M12000 winch.



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post #2 of 33 Old 05-15-2011, 04:09 PM
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Not sure if changing the filter will affect fuel economy too much, but I believe Motorcraft or Racor are the best fuel filters for the 7.3.

Early 99 F250, Tuned by Gearhead, Diamond Eye 5", DIY intake, GS EGT/Trans/Boost, FRX, HPX, CCV, Schaeffers 9000, ELF7405, Stancor

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post #3 of 33 Old 05-15-2011, 04:16 PM Thread Starter
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Well if the filter is older (only owned the truck a few weeks so i do not know the condition of the current filter) they can hurt fuel economy (not drastically) but even so if the filter is old i need/want to replace it none the less. Thanks for the reply, i will go pick up a motorcraft tomorrow morning then.

Tim

2001 F-250 Lariat CCSB, 4x4, ZF6 249k, 6.5" Procomp lift, 37" Toyo M/T's, 20" Fuel Hostages. PIS 160/30's, PHP Hydra, 6637, 4" exhaust, Tank mods, ISSPRO's, 08+ mirrors/tailgate/tail lights, M12000 winch.



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post #4 of 33 Old 05-15-2011, 04:19 PM
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i had issues with the fuel filter cap leaking (yes, it was a brand new one along with a new motorcraft filter) so i tried a wix one with the built in top and it seals up fine. i change it every oil change (cheap insurance for my mind that needs peace) so it never gets real dirty.

Vernon

EDIT: yes i know the o ring is made to go only one way. my old cap was leaking so i figured id do a new filter with new cap, still leaked. switched to the wix, no issues now
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post #5 of 33 Old 05-15-2011, 04:27 PM
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Never had an issue with the Motorcraft filter and separate fuel filter lid, just make sure to follow the directions and get that o-ring on top right! IIRC the bevel goes up.

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post #6 of 33 Old 05-15-2011, 04:32 PM
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Quote:
Originally Posted by revolvingsteel View Post
Never had an issue with the Motorcraft filter and separate fuel filter lid, just make sure to follow the directions and get that o-ring on top right! IIRC the bevel goes up.
ya, we have done plenty of fuel filter changes where i work and never had an issue but for some reason, mine was leaking and then the new filter and cap and still leaked. my pops called me a dumbass and said "you prob put the o ring on upside down".... nope. oh well, wix fixed it.
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post #7 of 33 Old 05-15-2011, 05:09 PM
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I've been using the WIX#33818. It has the integrated lid. They've been working fine for me.


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post #8 of 33 Old 05-15-2011, 05:25 PM Thread Starter
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Alright then maybe I will get the wix instead. Thanks a lot for the info.

Tim

2001 F-250 Lariat CCSB, 4x4, ZF6 249k, 6.5" Procomp lift, 37" Toyo M/T's, 20" Fuel Hostages. PIS 160/30's, PHP Hydra, 6637, 4" exhaust, Tank mods, ISSPRO's, 08+ mirrors/tailgate/tail lights, M12000 winch.



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post #9 of 33 Old 05-15-2011, 05:53 PM
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Motorcraft here.
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post #10 of 33 Old 05-15-2011, 07:30 PM
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i actually just replaced mine today, along with oil n filter change. motorcraft didn't come with the cap so i got a purolator. it came with cap and o rings. it was very easy to do. took me bout 10 min... no leaks.
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