Engine failure, rebuild, with turbo, jakes.

Iceman3005

Active member
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So, is the NTC-400 a bolt in replacement for the NTC-250 ?

While gathering info, I found a place called NPDDiesel.com and they sell re-manufactured power. Cummins and CAT. The NHC-250 was surprisingly reasonable compared to a "good takeout". Of course there is a range and I haven't taken the time to dig very deep.

Does anybody here have experience with these folks?
The big cam isn't excatly a drop in, but close enough for me. Especially since I want the power and reliability of the big cam. So the hassle of making it work far out weigh just rebuilding the nhc250.

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Mullaney

Well-known member
Supporting Vendor
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The big cam isn't excatly a drop in, but close enough for me. Especially since I want the power and reliability of the big cam. So the hassle of making it work far out weigh just rebuilding the nhc250.

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Upgrades are always a plus! Especially if it "almost fits" .
That gives incentive to work a little harder to make it better!
 

simp5782

Feo, Fuerte y Formal
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You can reuse the nhc250 bellhousing you have to drill one of the bolts in the rear..

Front mount is not the same at all. It's easier to cut the front mount where the nhc250 mounts and weld in some steel plate for the front mount to rest on and bolt it down.
 

US6x4

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Can the BC2 long block be used with the 250's oil cooler & other external accessories swapped over to minimize the amount of modifications needed?
 

WillWagner

The Person You Were Warned About As A Child
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IIRC, 2 different lube systems, one is FFC, full flow cooling, the other DFC, demand flow cooling. One has a stat that controls oil flow through the cooler to only flow when upwards of 230 degrees, DFC. Hard to see if the BC has that system from the pictures. Even though the BC is probably older than the SC, the better of the 2 systems is on the BC even if it is still FFC. I don't remember if the lube pump on the BC will accept the later style of pick up tube so it allows you the install a 9 gallon capacity stamped steel oil pan that is front sump for front axle clearance. If you do reuse the pan that is on the BC or or replace it with the SC pan, don't install the 6 buttress bolts, the ones that go from the pan thru to the flywheel hsg. They tend to make pans and flywheel housings crack, especially in vehicles that do frequent twisting events/off roading.
 
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