Also, a small turbo isn't necessarily a better idea than a large one because they add a lot of heat, and that is bad.
You'll need to address fuelling (a remap at least, probably something like megasquirt) the manifold (going to be a custom manifold), an oil feed to the turbo, an intercooler (because turbo charging without an intercooler is like beer without a fridge) and of course you'll need to make sure you get the right type, size and trim of turbo for your needs. Have a look at the Holsett range, they come off big diesel engines and are often reasonably priced second hand. Maybe an HX-35....

If you run 5PSI successfully on an engine the size of the Jeep's - you should be getting some heroic power for an old 4x4. Time to look to your drivetrain. And Brakes. And rollbars.....

 

Didnt see the cowl hood post, but to answer that question it would be like the 505 performance setup.. Exhaust manifold is routed under the oil pan to the passenger side. With this you can have cooler air entering the turbo.. the intercooler is mounted above the valve cover towards the fire wall and allows the cowl hood to rapid cool the air prior to entering the intake and combustion system.

Its like the suby setup.

This will create some lag but depending the application some may benefit.. As in me when i finally get around to punching number sizing turbo, somehow eliminating that darn ecu we are reluctant to be stuck with.


anyways my plans..
stroker 4.2-4.7
turbo hx35 or hx40 hybrid (diesel)
custom made manifold (not difficult if you know what your getting into)
ported head
ignition timing system
external fuel pump/fuel pressure regulator w/ return
maybe 99+ intake but with the turbo holding posi pressure it wouldnt really matter
possibly coil packs rather than distributor since we cant adjust it anyways.. maybe an adjustable.
aluminum rods
forged pistons (try and keep same compression ratio)
plus more..

very intimidating task.. Jeeps dont go fast, well why not? anything else can go fast so why not a jeep. not just the srt or the other white one..

What i would really like to do is put in the srt 8 or srt 6 tt and go from there.. but thats wish full thinking

 

You'll never spool a HX35 with the original hotside. Not usefully anyway.

 

x2. forget about a 40. that just doesnt make sense. You would want to be looking at a t3/t4, in the mid 50mm range, .63 a/r exhaust housing, b cover.

You could possibly use a hy35 as it uses a 9cm^2 housing on the turbine side. It would be easy to drive, still a big compressor cover though.
That way you would still have a standard t4 exhaust flange, 5 bolt outlet. The inlet is big at 4" but it can be reduced, you would just have to modify the compressor outlet from a v-band set up. The original elbow might work, but I think its too big. your better off cutting off the flange and welding on a typical elbow for a hose connection.

Like others have said though, the biggest draw back is underhood temp. If you wheel it, I would use an oil cooler also, oil temps are gonna get high and its going to be very hard on oil.
I have debated turboing mine for a while, and I just dont think its worth it. And I turbo everything.

 

What transmission? Sounds like a beast!!

 

Depends where in the rev range you define "useful". They're a favourite for 2.5litre BMWs, surely a 4.0 would spool it faster.

They are big though, I agree they're not what you want for power from tickover.

 

Freshly rebuild OEM with an ACT2600 clutch. I pissed my monies away on other parts and never had the $4-6k saved for a Shep trans before I had to sell it.

If all you want is HP for just holding your foot to the floor and running thru mud it'll prolly work for you. But if you do any trails or crawling I doubt its gonna spool low enough.