On a blacktop zetec the water pump spins in the opposit direction to the rest of the pullies. Not sure on a silvertop zetec.
As for the sump, it needs shortening. From the top of the sump to the bottom needs to measure 6" all the way round, which also means you need to shorten the oil pick up pipe too.
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My Build Diary -
http://davesroadster.blogspot.com/
*updated 7/6/11*
Best bit so far: Getting it running
Worst bit so far: Cutting steel for wishbones and engine mounts.
Most annoying bit so far: Generator packing up half way through welding.