Colour of the block is irrelevant, probably just been painted......

A 4x4 should have a 200 block, the 205 is from the 2wd....

the oil filter's are different on the 2wd and 4x4.

The 2wd one is smaller and is fitted directly onto the oil/water cooler modine, whereas on the 4x4 is it bigger and mounted on a remote body pointing readwards towards the oil pressure switch.

Hope that helps.......