JDM TOYOTA 4A-GE FOR DUMMIES

My 4age 20V is managing way much too wealthy and provides black smoke in the exhaust. What i also discovered is often a vibration at 3/4 throttle to WOT with about every single RPM. Would not sound flywheel connected imo, when i had that issue on other vehicles and it sounded different.The silvertop shares exactly the same 48mm diameter thermostat