Nope didnt miss a thing
You have had issues with your car hmm that sucks
headgaskets arent a comon issue Unless you run the car hot
LIM gaskets are an issue It was a faulty design dexcool+plastic gasket= bad design this is why there was a class action lawsuit over it
When i bought my gtp at 175 still stock owned by a kid who took car of it
orig trans no issues orig everything no issues
If you care for a care trans flush/oil/coolant/struts/sensors and so on from day one your car will last you for an extremely long time UNLESS you mod then hard parts will wear faster these cars werent ment to handle 300 hp and a drag strip
its an older car maybe it wasnt cared for so it breaks hmm all cars will do that