2008 f450

[Mfan]

Looking at this unit. 6.4 diesel 4x4. Crewcab. I pull a 12,000 lb fifthwheel. Any comments?

[mabynack]

Golden_HVAC wrote:
The 6.4L has several problems. Normally they can be fixed by installing a coolant water filter. This prevents the oil cooler from getting clogged, and that prevents the exhaust gas cooler from cracking and leaking water into the engine. . .

Good luck!

Fred.

The key to this is that you need to install the coolant filter BEFORE the oil cooler is blocked. I have a 6.0 and didn't get it done in time. It's in the shop getting new head studs, oil cooler, EGR cooler, etc.

[Mfan]

Thanks folks. I think I'll look some more. Moving from a 96 f350 460 v8.

[leggy]

I had a 2008 F450 for a few years and about 40k miles on it and pulled my 40' fifth wheel very well, as well as many equipment trailers with varying weighted loads. I liked the way it pulled and only had one sensor go bad on the exhaust, of course on the back and they had to pull the cab off. It had 4:88 rears so in terms of pulling it was great, but I started to have to use it as a daily driver and it was not the greatest for that. I was getting about 9mpg towing and 12mpg local driving.

[mudfuel07]

Golden_HVAC wrote:
The 6.4L has several problems. Normally they can be fixed by installing a coolant water filter. This prevents the oil cooler from getting clogged, and that prevents the exhaust gas cooler from cracking and leaking water into the engine. . .

Good luck!

Fred.

I think you're thinking of the 6.0. The 6.4's had an issue with the radiators cracking and generally poor fuel mileage. I think they also may have had an issue with the DPF getting clogged, can't remember. However, they can be made to have gobs of power from very few mods.

[Golden_HVAC]

The 6.4L has several problems. Normally they can be fixed by installing a coolant water filter. This prevents the oil cooler from getting clogged, and that prevents the exhaust gas cooler from cracking and leaking water into the engine. . .

Good luck!

Fred.

[ib516]

The 6.4L wasn't their best effort. JMHO. Look for a 6.7L diesel if you're a Ford guy. Much better option in my opinion.