Engine block, front side just below exhaust ports, 8 inches above where the gear linkage connects. Engine codes to the side of the thermostat housing on the top of the block
On the top of the block right where the water pump seals to it. You can see it from above no problem. The gearbox number is down on the bottom right corner near the motor mount if you want that number too. EXAMPLE provided by Steve Magnusson: On top of the engine block near cyl #1 -- this example shows engine serial number 278 of engine family F105E040: Image Unavailable, Please Login
