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The 4l60 guts fit in and are a good upgrade for the 700r4. The valvebody does not interchange at all. An yes parts to upgrade and rebuild should run around 700 to 1,000 depending what you need and how far you intend on pushing the transmission.

Cumminsfever was running 8, .75gph nozzles and if i remember correctly a 5gph. The size of nozzle you run is fully dependent on the amount of fuel you are injecting and the rpms you run.

Yep , been there done that many times .....

Did you lose all oil pressure or did it just lose a little?

Very nice! I've got a 2000 van i am working on at the moment and at the moment it will spin the tires on takeoff and easily outruns a 6.5 in a pickup.

Doesn't work if using the factory centermount turbo.

Did All American Diesel Performance do the work ? Saw they posted a dyno sheet on fb .

I've seen a lot of different diesel engines do this and always wondered why but never checked into it.

This would work. How are you adding centermount? Are you using the van/hummer block that was designed for the centermount?

When have you last changed the fluid and filter? It kinda sounds like the filter is almost plugged.

Didn't see this thread and posted on the other dyno thread about someone within 30 minutes of spartansburg.

Know of someone 30 minutes from spartansburg. He has a van with stock centermount turbo but slightly modded pump. And has a suburban with a hybrid hx-35/40 . Both vehicles are auto trans with mechanical pumps and he wants to dyno them both .

The cracking could also be due to all the heat cycles put on from previous application. Seems like new heads don't have as much issues.

This is why it takes cumminsfever so long to do anything,this is his "secret squirrel " work station.:rof:

He is pulling the 6.5 out because of cracked head...... The VM has much more torque and is built much better. Looks like a Cummins on the inside.

Any idea what drive pressure is at 30 psi of boost?

The 8.3 has many variations of the hx-40 an it predecessor the H1e. The hx-40w or WH1e are the best of the options. All of them will have t-4 mounts though. An 400$ for a genuine holset is about right.

Gapless rings? If you have gapless rings an have blowby, i have a feeling an additive won't help that. Although it's worth a try.

Well, we have a couple yards around here but you know how it is, when you need something they don't have it. Next time you are there they have 5 of em. I usually try to go with a fairly big list of parts i can always use.

This is true, although if you know what to get you can walk through a scrap yard an pick up bigger turbos just as cheap . Most scrap yards have no clue.