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I have a short marked off strip for acceleration to test changes (I am WAY rural). I also have my choice of small, steep mountains to climb to get out of the valley that I live in. Load up the gooseneck with a known load and see how she does.

Finally put her away for the winter. Got the ZR2 back on the road after 18-19 months.

Does the 40 cetane rating have anything to do with it? Unlike 51 minimum in Germany.

I like yours better. Wouldn't be afraid to use it for what Ford intended! (Maybe a little)

PLEASE don't put gas in it! LOL!

I've seen that truck pull in videos, and it is impressive. However, that guy has to be an idiot for not having a guillotine on it. Every diesel pulling tractor in every class except farm stock is mandated to have one at all of the pulls that I have gone to. That was a 6 figure oops.

Not just driving style and intended use- transmission, tire size and gearing are very important. Chris has given info on turbos that are very good all-around options.

Anybody have 25-30k laying around??

I think having to provide a warranty would stop them cold. As far as I know, the Army just buys another engine and throws a broken one away (or has their mechanic fix it).

National Guard units will be needing 6.5s for a long time. Eventually some takeout motors will probably become available through places like Ted's.

Awesome build, Chris. Hopefully that NV4500 holds up to everything.

Take the GMx turbos and sell them to someone with a 2.0 four banger who can use them. IMO, a 12cm housing hx35 is too tight, and a 14 only slightly better (gearing and transmission are big factors here). I have 4.10s with an automatic, and when I can afford the right hx40 it will go on my truck.

....also had to swap passenger side valve cover. Motor was spotless inside.

My 6.5 came from Ted's (late '15,early'16). It is an '07 military motor (n/a). All I did to it was swap the oil pan and install my pump,injectors, intake and exhaust. 30k hard miles so far. What they're selling since then, I have no idea.

Just my personal experiences here. Not trying to prove anything or make any claims as to what works best. I run a 130gpm pump with a 190 GM thermostat. I start my truck 5-6 minutes before I leave for work (even in summer). I climb a mountain 1 mile from home and usually am moving pretty good up...

Cylinder walls are 1.5mm thicker- that's a plus!

Big T, what are you gonna do when everything on the Burb is new/fixed?!

Last pic didn't go through.

Not a GMT400 or a 6.5, but life isn't fun all the time.... New rocker panel is on the way, new cat-back exhaust (first attempt at building one), new brakes lines, and a lot of Fluid Film on the frame.

Those fender flares seem to be like the ZR2 units. I almost guarantee that the studs on the flare will snap off (not that it matters since you're replacing them). I have to get a new set for my little truck once I finish excising the cancer.