ok... so my car is overheatin a bit.. with a 180 degree therm... and only after you drive it a long time... like 30 - an hour... and then you go to park... it smokes a bit... it hasnt really been driven in like 3 or 4 months... and the smoke smells like when you put new gaskets on when you change a head gasket... if anyone knows what im talking about... and also... when you are just driving... and you come to a complete stop... the car just like idles real rough from 500 to 750 rpms jumping back and for like 3 seconds then just dies... pisses me off so much... but please someone help... i havnt done it yet but i kinda figured could be compression... im gonna go do a test... oh and problems with the motor to help the people that plan to help me with this mathmatical problem... the lifters on the exhaust knock a lil bit... and i barely barely have a rod knock... and my oil hasnt been changed in a while... but all is getting fixed soon... please help... and sorry for the novel..... thanks