1990 Toyota Supra Factory ENGINE TUNE- UP MECHANICAL


Filed Under (Toyota Manuals) by admin on 10-06-2011

The 7l/l-GE, 7M-GTE engines are an in-line 6-cylinder engine with the cylinders numbered 1-2-3-4-5-6 from the front. The crankshaft is sup- ported by 7 bearings specified by the inside of the crankcase. These bearings are made of kelmet. The crankshaft is integrated with 12 weights which are cast along with it for balance. Oil holes are built into the crankshaft for supplying oil to the connecting rods, pistons and other components. These engine’s ignition order is 1-5-3-6-2-4. The cylinder head is made of aluminum alloy, with a cross flow type intake and exhaust layout and with pent roof type combustion chambers. The spark plugs are located in the center of the combustion chambers