Advice on 2008 F250 6.4 - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 13 (permalink) Old 02-01-2012, 02:03 PM Thread Starter
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Advice on 2008 F250 6.4

Hi guys I'm new to the forum and new to diesels all together. I have the opportunity to buy an 08 F250 crew cab Lariat with the 6.4 and 8.6' Fisher MM2 with 39K miles on it for $35K. The truck is loaded with chrome package, chrome side bars, LED hideways, navigation, etc. It has four new tires, new brakes, all fluids just done including an oil change and air filter.
I have done a ton of research on these trucks and other then the obvious poor mpg is this a decent deal or should I "run away" from the 6.4 like some others have told me. Some people have said the 3rd generation of 08 6.4 is great and others say don't go near a 6.4. I do love the truck though. Thoughts??
The build date is 03/08 and the VIN# is 1FTSW21R28ED81767
Thanks in advance!
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post #2 of 13 (permalink) Old 02-02-2012, 10:59 AM
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First off welcome to the fourm.

I have a very similar truck and paid a little more than you for the same mileage and options except the 8.6 fisher mm2? what is that? Mine is a JOB 1 and i have not had any issues other than a squeeky belt tensioner. What gears are in the rear end? If you have 3.73s your looking at 12-14 mpgs and tuned is 14-16.5 mpgs. If you have the 3.55 then you should be able to hit 20+ according to a buddy of mine with the same setup as me. I love my truck and would not trade it for one of those new ugly A## 2011 and up trucks. rant over.!

2008 Job 1 F-250 PSD
H&S Black Maxx
S&B intake
5" Flow Pro from DP Back
Michelin LTX-AT2
Tow Pkg
Snow Plow Pkg

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post #3 of 13 (permalink) Old 02-02-2012, 11:25 AM
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Price seems a bit high for the truck, are you going to use the plow? Can you buy the truck without it? As far as a 6.4...mine is solid. Run an Oasis report to make sure all of the service bulletins are taken care of and go for it.
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post #4 of 13 (permalink) Old 02-02-2012, 12:53 PM Thread Starter
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I am going to use the plow so it make sense to buy the truck with it. I'm still waiting on an Oasis report that I requested on this site. I'll sit on it until next week I think before I pull the trigger.
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post #5 of 13 (permalink) Old 02-03-2012, 05:39 AM
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I have a 2008 with the 6.4 and 3.73 gears. Not a problem so far @ 28,000. Have pulled a 15,000 lb. load through serious mountain grades and am very satisfied with the truck. Mileage isn't too bad now that it is broken in. 13 in town, 19 highway under 65mph. Mileage is horrible when towing and the gas tank is too small. Mine is totally stock until out of warranty. I would buy another 6.4 if I needed another truck. Very confortable and quiet. I drive a peterbilt most of the time so I really enjoy the quiet of the
Ford. Don't know where your at but the price is a little high for around here, I paid $39K new in 2009.
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post #6 of 13 (permalink) Old 02-09-2012, 01:51 AM
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I've had my '08 F-550 since October '11. has been in shop for 3 under hood repairs on the 6.4L in 5 months of ownership. I have 4.88 rears so it drinks #2 like a college O-lineman drinks beer at a frat party.
Like most of the truck, but dislike the engine.
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post #7 of 13 (permalink) Old 02-24-2012, 02:50 AM
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I have had my job 1 08' since February of 09'. I bought it with 5,000 miles on it and have right at 60,000 miles on it now and I have had 0 problems with mine. It is a great truck and a pleasure to own. I would not be afraid to buy another 6.4.
I am very big on maintenance, so I change oil and filter and fuel filters often. I am not rough on my truck and I think that makes a difference on some of the trucks that have had problems.
p.s. I have deleted the dpf, changed air cleaner, and my truck has the KEM Racing tunes ran through the mini max.
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post #8 of 13 (permalink) Old 03-02-2012, 12:06 AM
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Mine makes a really nasty diesel clatter that varies in pitch and volume when you accelerate. Feels like the motor might grenade at any time.
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post #9 of 13 (permalink) Old 04-17-2012, 03:30 AM
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I have an f250, 6.4 bought new. 74000 miles, dealer SAID he put a radiator on it at around 20,000 miles, I don't believe it. I know lots of times a dealer will "SQUEAK" something out of warranty for someone by charging it to another truck that's under warranty. Today he said I need an oil cooler, under warranty, but there's no harm in running it a while, sounds fishy to me. I have noticed lately when it's in regen mode there's hardly any smoke, it used to smoke so much in regen mode it almost embarrassed me, should this be going on, dealer just looked dumbfounded when I told him about it. Also seems lately one day 14 mpg, the next 17. Same driving, any ideas? Also will deleting the PDF damage the engine?
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post #10 of 13 (permalink) Old 04-20-2012, 02:09 AM
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Quote:
Originally Posted by Tunaman View Post
I have an f250, 6.4 bought new. 74000 miles, dealer SAID he put a radiator on it at around 20,000 miles, I don't believe it. I know lots of times a dealer will "SQUEAK" something out of warranty for someone by charging it to another truck that's under warranty. Today he said I need an oil cooler, under warranty, but there's no harm in running it a while, sounds fishy to me. I have noticed lately when it's in regen mode there's hardly any smoke, it used to smoke so much in regen mode it almost embarrassed me, should this be going on, dealer just looked dumbfounded when I told him about it. Also seems lately one day 14 mpg, the next 17. Same driving, any ideas? Also will deleting the PDF damage the engine?
I have this problem, but it's random. Almost seems like a stuck injector is pouring fuel into a hole.
It'll smoke like a chimney, then clear itself up. Otherwise no smoke whatsoever. None on regen mode.
IMO, this engine wasn't thoroughly vetted.
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