basically im at 150,000 miles now 255,000km the bottom ends been rebuilt about half a year ago only the piston rings didnt get done and because i love my car and i want it always running healthy im starting too look at milage and cringe haha so was wondering what would needed too be done too make it healthier, dont get me wrong boosts and pulls lovely and goes fine its just when its idling it sounds like a small transits i dont know weather its normal but its got tiny taps and little noises that compared too other cars which are really quiet mines rather loud so