ABOUT TOYOTA 4AGE ENGINE FOR SALE

My 4age 20V is functioning way as well prosperous and provides black smoke from the exhaust. What i also observed can be a vibration at three/four throttle to WOT with about just about every RPM. Doesn't sound flywheel connected imo, even though i had that difficulty on other automobiles and it sounded diverse.Remanufactured Engines are totally dis