80 series with 1HD-T 200K - what to do?

Spend your $100 - $150 on changing the timing belt at 200 000km, and then take some time to weigh up what to do. I have a 96 80series with the 1HZ non turbo, with 320 000 on the clock, and am only now considering my options of what to do for another engine (1HZ-FTE ???). I will probably keep thinking about it for another 200 000kms..

Keep it! It should do 500K kms...

Change Timing belt, service injectors, air and fuel filters, then replace exhaust with bigger one (preferably mendral bent 3") so turbo performs better. I believe main bearing problem was only in <93 or <92 models as tojo got a bad batch of bearings, might be an idea to replace anyway as tojo might share the cost of this, i believe they have done for other members.

Make sure you change oil worst case every 10K kms, 5K if you can. You shouldn't need rings, head service or new turbo but if your worried about rings get a compression and leak test. This will keep you running for at least another 200K kms.

If you want more power after this then look at chip and or bigger turbo and or intercooler, you can buy upgrade kits for these motors I'm pretty sure, that include everything you will need to get more power. The newer engine will cost something like $12000 for a rebuilt or new one so dont wast your $$, fixing up your engine will cost less than half this and then you can use the change on other stuff for it like a part time kit that will make better use of the power you have.

Cheers
NUTS!

At the bare minimum.....
1, change belt and the idler pulley....after 200k it is still good, but whilst there....(it wont need doing again till 400,000)
2, Have the big end bearings changed out.....do this every 100,000kms...use ACL bearings made to suit the 1hz, (thesame bearing) this should cost in the vacinity of $500 to do....make sure the mechanic knows the harmonic balancer needs to be retightened to 540nm......he will need to make up a c spanner and use a 2 meter pipe on the bolt.
If you do this, you ensure the motor wont blow up...if they are wearing, they will be close to gone by now...they have probably been done under recall b4, but my mates hdt bearings come out needing replacing every 100000kms.
3, if the motor has acceptable power and economy, and doesnt blow black smoke, dont touch the pump....but a trick you can do to help things along is to fit a walbro electric priming pump in the fuel system, powered from the on key position, and then you can run a CAV filter (superior filtering with clear water bowl) without loosing power.....you will actually get better low down torque by installing the pusher pump....check out the www.lcool.org web site for details.
Now for optionals....
4, the front c/v joints will be getting worn, have aftermarket ones installed if and when you get oil around the swivel hubs of the front diff....if your cruiser is before 9/92, get the later c/v joints with later drive plates (for sale at the moment on ebay as a set) because this cures alot of the backlash in the driveline.
5, if you want a huge power increase, fit a safari intercooler to the motor, and have the pump and turbo set up to suit. Check out www.aps.com.au for 700nm of torque from your hdt (i)

Whats wrong with your motor???
200k is nothing to worry about - should be just run in!
Have the big end bearings been replaced previously?? If not, you should replace them ASAP - only a relatively small cost for peace of mind.
Timing belt was a 100k item on these vehicles.
Injectors: up to you.

Everything else: if its not broken, don't fix it.

Cheers
Phil