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post #1 of 6 Old 12-02-2010, 10:06 AM Thread Starter Rookie
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New to a Diesel truck

I never owned a Diesel but looking to buy one. I found a 2005 F250 supercab shortbed 4x4 with 180,000 miles for 16,900. With a 6spd std.

How many miles on oil changes? Is it like a gas at 3000 miles?
Should I change the head bolts asap and the EGR cooler?
I pull a 25ft fifthwheel with my z-71 and get 7 mpg. SAD

I read the post and hear good and bad all day long!! thanks for your help!

P.S. the truck is stock to the bone if that helps!
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post #2 of 6 Old 12-02-2010, 10:09 AM
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If you have the money I would go ahead and do the egr delete and headstuds. I have always been told its not a matter of if it will happen but when will it happen.

You will get better mileage than that with your psd

I use Rotella 15w40 and change it every 5k


2005 F350 King Ranch CC DRW Insight Leveled 4" MBRP Straight Pipe Tinted

'99 F250 - Sold
'99 Cummins - Sold
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post #3 of 6 Old 12-02-2010, 10:09 AM Fanatic
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Well im going 3,500 between oil changes, people laugh at me and say im wasting money, but i reather do it early and always have clean oil over messed up injectors.... I would def put ARP Studs and a egr delete on , but asap thats up to southern saids its just when it will happen... and you will def get better than 7mpg towing!!!!!

2005 F-250 KR with the 6.0 PowerStroke
4 inch lift, 35x12.50's
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post #4 of 6 Old 12-03-2010, 08:16 AM
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I think the 2005 is the 6.0L Powerstroke. My 2008 6.4L Powerstroke service intervals depends on usage (as do any other vehicle). You fall in the special operating conditions category, and as such, Ford recommends changing your oil every 5k miles or 200 engine hours and changing your fuel filters (both) every 10k miles or 400 hours. Additionally, you have to watch your coolant... there's special procedures for those too at 15k miles / 600 engine hrs.

Everything with diesels goes by engine hours. And if you idle your truck, it adds to your engine hours.

It's a myth that you need to change your oil every 3k miles. If you go look in your truck's user manual, it'll probably tell you it's more than twice that.

You don't need to do anything that your manual DOESN'T explicitly tell you to do. There's a maintenance supplement that comes with these diesel trucks. If you go to Ford's website, you should be able to find it and read it on your own. Asking people here will give you a wide variety of answers when, in fact, Ford knows best because they're the ones that designed the trucks. :-)

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post #5 of 6 Old 12-12-2010, 04:21 PM
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The 6.0l is a high maintenance motor. I personally change my oil every 3500-4000 as well and use T6 5w-40 it's expesive but has made a difference. As far as studding the heads and egr/oil coolers, get some gauges or buy an insight. Find outwhat is going on in the motor before spending a fortune if you dont have to. There are plenty of guys with high mileage on stock coolers. My advice if you buy it flush and replace the coolant with an elc, and put an insight on it. The motor isnt fragile, watch the temps and enjoy the ride. Good luck with whatever you decide

06 F250 leveled on 35's, studded, deleted, Innovative, 4" straight pipe, banjos, spring, ccv w/can, elc w/ filter, DVD/sat/nav in dash, kr running boards, bull bar

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post #6 of 6 Old 11-25-2011, 03:27 AM
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If you arent going to have high HP or crazy mods or Hot dont need headstuds(I'm living proof, 282,000 miles and counting and hauled its whole life). I DO agree on the EGR delete it is night and day difference. And a air to oil cooler or at least the coolant filter.
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