DodgeForum.com - new to forum old to dodge

i used to have a 73 plymouth fury that my brother wrecked drinking and driving he suvived but dad had to pay a big ticket and buy 4 semi tires and wheels. that was a good running car. then dad recently was given a 90 dodge dakota pickup that the p.o. didn't believe in maitanence,after hooking up all the wires and hoses on the 2.5 4 cyl. i changed the egr valve and the map sensor it idles much smoother now and has lots more power. now i just need to fix the throwout bearing which is noisy and change the shocks so the truck doesn't follow all the ruts in the road. then find out why the valves rattle,someone said something about the oil feed holes in the head might be gunked up.