I originally posted this on Planet Isuzoo, but I thought you all might have answers, too, as you seem to know everything about anything.
I've got a 1991 Trooper with the 2.8 V6 and a 4l30e at the moment, and I'm about to swap in a manual transmission. Here's a list of what I've ordered so far:
MUA5 transmission with the correct 2.8 bell housing and married transfer case.
Sachs Flywheel
Exedy Clutch kit
Floor Shifter
Shift knob (It's an 8 ball, just a running joke my friends and I have with our trucks)
Clutch/Brake pedal assembly
Clutch master and slave cylinder
Shift boots
DORMAN H380173 rubber clutch hose (the only part RockAuto lists as a Trooper clutch line)
And here's what I still have to track down
Clutch hard line- I read about some kind of clutch dampener, which I would delete anyway. I think I'll end up just making my own line.
Fywheel bolts- Where can I find 2.8 flywheel bolts? Better yet, what size are they? I can just go to the local faster shop and get the correct bolts if I knew what size they were. I found some cheap S10 bolts on parts geek.com, but I'm unsure of their quality. I'd like ARP if they make them in the correct size.
Pressure plate bolts- Same as above, anyone know the size?
Also, I'm wondering if I'll need to cut the tunnel any for the standard shifter. I think the hole is already big enough, but I haven't removed the automatic yet. I'm also curious about the skid plates. Are they the same between automatic and manual transmission Troopers?
I have a full shop at my disposal and I'm a skilled mechanic/fabricator, so I'm not too worried about the swap. I'd like to use as many factory parts as possible, so I can source replacements anywhere in the country (and cut down on fabrication time). Money is also not a major consideration, I don't want to skimp on something this difficult to remove and replace. I'm trying to buy new/rebuilt wherever possible, because I hate pulling transmissions.
Oh, and is there anything besides a rear main seal that I should do "while I'm in there?" I'm planning on rebuilding the transmission before it goes in, too.
Last question- has anyone here done this swap before? It doesn't seem that hard to me, but then again I grew up with turbo BMWs and rotary-powered Triumph Spitfires.
Sorry for any spelling/grammar mistakes, I typed this in a hurry.