having trouble w/ the 5.0...HELP.

hi guys, i've been having trouble w/ my 1990 gt. It's a 5-speed and has about 213,000 miles on it . Recently i noticed it was making a squeeking noise in the front around the accessorie area. I thought it might have been a bad pump or alternator. So this morning i took off the belt and ran the car w/ none of the accessories running. It still made the squeeking/rattling noise i traced it to the crankshaft/pulley area. I noticed nothing wrong externally, what do you guys think it is?. When accelerating from a stop sometimes a hear clanking noise but it goes away then it turns into a squeeking/or metallic ticki tick tick noise building up all through 1st and 2nd gears sometimes into third. But it goes away.

Now onto the next clue in the puzzle. About two days ago i noticed the car would make a humming/drone like noise when crusing between 60 and 70 mph. This would only happen when i would be cruising and i would let off the gas pedal and let coast. The noise would last only a few seconds and stop. Now when accelerating i notice that it vibrates alot along the drivetrain causing the cabin to vibrate briefly, usually between 1st and 2nd gear and when on the freeway when decelerating to around 60-65mph. The tranny shifts into gear smoothly and when i rev the engine in neutral it doesn't make any tapping or metal on metal noises. This is what has got me puzzled.please help me out w/ any suggestion y'all might have, i really appreciate it

Thanks for the replies. Now how hard is it to replace the balancer, Do i have to take out the engine from the car? The balamcaer is right behind the crankshaft pulley on the otuside right? Thanks again for the replies

how can i tell if the balancer is bad visually? Which balancer do you guys recommend?:SNSign:

thanks qdrhrse, you live out here in palmdale? Thats cool

was checking the balancer and noticedthe passneger side motor mount looks kinda of bad it has a little nub w/ rubber sandwished by a dished washer hanging from the bottom of the mount. this nub looks like the rubber is loose and torn , it wiggles around and the drivers side doesn't.could this be my problem? How do you remove/install motor mounts, thanks guys any pics of bad motor mounts?:SNSign: