[SVX10]

Hey guys,
I installed a 2002 WRX 5MT into my SVX a couple years ago. I really haven't driven it much since then because I've had it up on jack stands being prepped for paint. A few months ago I was running it just to keep it healthy and heard an awful knocking noise coming from the engine...not detonation, but a physical, low frequency, metal on metal sounding knock.

Anyway, long story short, I pulled the transmission off to find the following:
1) Demolished pilot bearing
2) Flywheel bolts only finger tight
3) The two screws that hold the 2 parts of the flyhweel together loose also

The flywheel had about 1/8" free play for it to rock back and forth, and I am confident that this free play is what was causng the knocking sound as the vibration travelled through the back of the engine up to the intake plenum. I've been told by NVH guys here at work that the oil pan and intake plenum often sound like the location of a problem, but in actuality they just act like big speakers and broadcast the vibrations that are coming from elsewhere in the powertrain.

I believe the pilot bearing failed before the other parts because I had a small noise that sounded like small bearing balls movnig around inside the transmission housing, and it only occured when the clutch was engaged (ie. clutch spinning). I think it was the ball bearings moving around captured between the pressure plate and flywheel.

Regardless of the order of failure, I need to make sure that it doesn't happen again when I install the transmission this time. This leads to a few questions.

1) Is it OK/necessary/wise to use loc-tite on all the bolts and screws to ensure they don't back out?
2) Is loc-tite sufficient to ensure that these bolts won't back out in the future?
3) how do I re-install the transmission ensuring that I don't damage the pilot bearing while trying to get the transmission input shaft to slide into it? This seems to be a challenge as its a very tight fit and requires quite a bit of brute force

Any other input is appreciated. Thanks!

Mat