Complete rebuild questions.

TOBASH · May 7, 2021

Electric IP and pump will cause grief.

You have the perfect block so swapping is questionable.

12K shafts are for heavy rigs weighing 12k. You don't need them.

Tranny swap with 700R4 vs 4L80E is a good idea. Advancing timing and flow rate on existing IP will give you what you want. Everything else is bunk.

Save your $. Fix your rig but keep the dependable parts and stop looking to "gild a lilly".

Coug · May 7, 2021

I'll second what Tobash said. By the time you go to the cost/effort of upgrading the transmission and halfshafts, you're better off just selling your current truck and buying an A2 truck. Most A2 trucks sell $4-7k more than an equivalent A1 truck, and the transmission and halfshafts are likely to run you $10k. Add the other stuff you mentioned and you might as well buy a different truck.
Of course, if you are doing all the work yourself then it ends up being a wash for the most part.

Mogman · May 7, 2021

The DT series is about 5-6" longer than the Cummins BT-6 IIRC going to be a tight fit,
IF I ever do another conversion I am thinking 4BT with a P7100 pump, should be easy to build one with up to 300HP or more and there should be plenty of room.
Coming to the end of a conversion I can say the HMMWV is like no other vehicle in the world so "common wisdom" is totally out the window.

beerthirty · May 9, 2021

Mogman said:
The DT series is about 5-6" longer than the Cummins BT-6 IIRC going to be a tight fit,
IF I ever do another conversion I am thinking 4BT with a P7100 pump, should be easy to build one with up to 300HP or more and there should be plenty of room.
Coming to the end of a conversion I can say the HMMWV is like no other vehicle in the world so "common wisdom" is totally out the window.

I've looked at a 4BT as well. And there's a hmmwv around here that has one. I'll have to ask him how much modifications he had to do on it.

TOBASH · May 9, 2021

beerthirty said:
I've looked at a 4BT as well. And there's a hmmwv around here that has one. I'll have to ask him how much modifications he had to do on it.

I’m told 4 BT is as tall and annoying to install as 6 so you mightas well go with a 6. You will need a substantial lift. There is a website called 4btswaps. You should check it out.

Mogman · May 11, 2021

TOBASH said:
I’m told 4 BT is as tall and annoying to install as 6 so you mightas well go with a 6. You will need a substantial lift. There is a website called 4btswaps. You should check it out.

You may have a point, I am having a hard enough time warming up to the 2" body lift on the Dmax, maybe one of the Baby Max engines

beerthirty · May 14, 2021

Picked up a DT360 this week. Will be swapping it into the M998.
Probably start a build thread on it. And keep a spreadsheet on the costs. Althoigh the costs will likely be skewed as we can design and machine the mounts, lift it will need,, etc in house at my company.
Not sure what I'm going to do with the 6.5L yet. I've got a 99 F350 that at one point we were going to do a perkins swap frankntruck as a marketing gimmick for the company, but ended up leaving the perkins as a pressure washing unit.

Mogman · May 15, 2021

beerthirty said:
Picked up a DT360 this week. Will be swapping it into the M998.
Probably start a build thread on it. And keep a spreadsheet on the costs. Althoigh the costs will likely be skewed as we can design and machine the mounts, lift it will need,, etc in house at my company.
Not sure what I'm going to do with the 6.5L yet. I've got a 99 F350 that at one point we were going to do a perkins swap frankntruck as a marketing gimmick for the company, but ended up leaving the perkins as a pressure washing unit.

Is that the same physical size as the DT-466?

beerthirty · May 16, 2021

Mogman said:
Is that the same physical size as the DT-466?

The DT360 is 2-5" shorter on length, width, height from my understanding
Fan hub to valve rear is 37.5. DT466 is 41.

I could probably go the DT466 route, but I would assume that would require alot more frame modifications as well as housing.

beerthirty · May 16, 2021

DT360 is about 1200 w/o fluids and depending what's all bolted too it.
The DT466 is about 1475 w/o fluids. And depending what's all bolted to it as well.

So I sent a few emails off to look at suspension alternatives and to see what they'd suggest as far as beefiness goes.
Still looking into transmissions, Tcase etc to see how we can cram everything in underneath as best we can without a ton of body modifications and frame mods.

TOBASH · May 16, 2021

So your 6.5 is 700 lb.s, and you want to add twice the weight. That will affect your handling.

Just buy a turbo kit from the site sponsor or a whipple and be happy.

beerthirty · May 17, 2021

TOBASH said:
So your 6.5 is 700 lb.s, and you want to add twice the weight. That will affect your handling.

Just buy a turbo kit from the site sponsor or a whipple and be happy.

Chassis will be fine with the weight, handling can also be improved upon with a new suspension system designed for the load etc. So not to worried about a drastic change in handling that will make it undrivable or dangerous to drive.

Complete rebuild questions.

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TOBASH

Father, Surgeon, Cantankerous Grouch

Coug

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TOBASH

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TOBASH

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