Experience with 6.4l needed

usmcpsd · May 14, 2014

Gentlemen,
I havent had much luck finding info on other forums so I figured id come where the knowledge seems to be located.
I'm about 80% sold on a 6.4L truck, however I need be certain that I'll be able to bulletproof it to survive a "day on the life of a ranch"!

What can I do performance/aftermarket wise to bulletproof a DRW F350/F450 for consistent use hauling and towing trailers as well as DDing?

bigrpowr · May 14, 2014

delete the egr and delete the dpf. high mileage 6.4's that have never been dleted are a risky purchase IMO .

webb06 · May 14, 2014

bigrpowr said:
high mileage 6.4's that have never been dleted are a risky purchase IMO .

I'll second that

PsdPullerJr · May 14, 2014

What's risky about them and what's considered high mileage?

forcefed6.4ford · May 14, 2014

If they are all stock and high mileage the regen process can hurt the motor. I would stear clear unless the price was right.

Edit: high mileage I would consider anything past the factory warranty period. Others would disagree I'm sure haha

usmcpsd · May 14, 2014

So... a 2008 f450 with 80k miles considered high? No more than 15k miles per year a good bet?

forcefed6.4ford · May 14, 2014

80k isn't that bad. 100-120 is starting to get there.

bluedevilslax · May 14, 2014

forcefed6.4ford said:
80k isn't that bad. 100-120 is starting to get there.

I agree with what has been said above. With the amount of 6.4s I see regularly, you can noticeably tell the difference in engine performance and noise in a truck with say 125k compared to a truck with 75k in all stock form.

PsdPullerJr · May 14, 2014

I don't want to high jack OPs thread but I feel I'm in the same boat. I'm on the fence about one but I don't know what to look for or what to stay away from. I found one I like with 115k on it but have no idea what to look for.

drunk on diesel · May 14, 2014

LOW ENGINE HOURS!!!!!!

I talked to a guy a couple days ago with an '08 KR with over 400k miles. Original owner, bone stock truck. Crappy thing is it was misdiagnosed with bad turbos for a torn boot. Some hack nicked the oil drain o-ring putting turbos on, and it eventually ran low on oil and trashed the motor.

The truck was a chase truck and ran up and down the highway and he never idled it.

dollar for dollar, I'll take a 140k mile truck with a perfect service history and a 40-45mph average speed over a 60k mile truck from a used car lot and a 15mph average speed EVERY TIME

I've bought a couple 6.4's in the 100-135k range. Both had good average speeds, good oasis/maint records, and both have been flawless

dmkolb · May 14, 2014

Make sure when you delete the EGR you deleted the EGR coolers so they don't crack and start to leak into the engine.

drunk on diesel · May 14, 2014

about to hit 200k on the original coolers in my Job 2 F350... if I ever see white smoke, I'll shut it down and deal with it. Until then, they're staying put! LOL

PsdPullerJr · May 14, 2014

I would do full deletes on egr and exhaust. I take it the hours and average speed are in the dash and found with the info button?

drunk on diesel · May 14, 2014

hours are found on the cluster. calculate miles vs. hours to yield avg speed

usmcpsd · May 14, 2014

When deleting the EGR "system" which vendor(s) sells the full delete kits? When I get one I dont want to waste too much time before its been deleted.

I'll probably regret asking this question since it'll make me think more but... Is a 2011-2013 F250 6.7L XLT with >40K miles a better buy than a 2008-2010 F350/F450 Lariat/KR 6.4L >70K miles assuming they are with $2-4k if each other. Wifes making me triple check this purchase before we get the new ranch truck.

ramonpowerstroker · May 15, 2014

usmcpsd said:
When deleting the EGR "system" which vendor(s) sells the full delete kits? When I get one I dont want to waste too much time before its been deleted.

I'll probably regret asking this question since it'll make me think more but... Is a 2011-2013 F250 6.7L XLT with >40K miles a better buy than a 2008-2010 F350/F450 Lariat/KR 6.4L >70K miles assuming they are with $2-4k if each other. Wifes making me triple check this purchase before we get the new ranch truck.

if you're really worried about that if rather get the 6.7. More realiable stock on stock. JUST CHECK ENGINE HOURS!

bigrpowr · May 15, 2014

usmcpsd said:
When deleting the EGR "system" which vendor(s) sells the full delete kits? When I get one I dont want to waste too much time before its been deleted.

I'll probably regret asking this question since it'll make me think more but... Is a 2011-2013 F250 6.7L XLT with >40K miles a better buy than a 2008-2010 F350/F450 Lariat/KR 6.4L >70K miles assuming they are with $2-4k if each other. Wifes making me triple check this purchase before we get the new ranch truck.

i would feel very safe getting either of those vehicles listed. at that point i would decide what is best for you in options.

usmcpsd · May 15, 2014

The 6.7s dont have as many features but ill start driving them this weekend to see which i like better. Its definitly easier for me in my area to find a lower mileage 6.4l than an inexpensive 6.7l
I need hauling capability of a 350/450 however I have modified a 250 (in my sig) to haul some pretty heavy loads.
From experience which will drive/haul better? (Modified 6.4 or stock 6.7) assuming both have a tuner.