ctuinstra
Goblin Guru
How many miles on the engine? I had 116K and I replaced the chain, gears, and tensioner just to be one the safe side. It's the first thing to go usually on the Ecotec motor. Over 150K and you should, under, it's up to you. If you have the old style tensioner, I would replace it.I think I'm going to go ahead and replace the clutch while I have the engine out. Should I go ahead and replace the timing chains while I'm at it? Anything else?
I replaced the SC oil but I don't know if you have the SC or turbo.
Spark plugs with NGK.
Oil and filter obviously.
Any seals that are leaking. Axle seals may need to be replaced. I had to replace my crank seal, it was barely weeping.
Clutch and flywheel along with the throw-out bearing is a fantastic idea while you have the engine out. You can inspect everything and know it's all in good shape once you do it.
Order a new belt. Check the tension pulley bearing and replace if needed.
Order a new exhaust gasket.
If you have a SC, remove and clean the Laminova tubes. Make dang sure to install correctly!
May need new starter, the connector mounts are very brittle and break easily
That's all that I can think of at the moment.