A long shot but does any of the Alfa v6's have the dizzy on the front of the engine? On my engine there is a clue as to the aforementioned as there apears to be a casting in line with the oilpump drive.
I'm thinking about the longditudinal mounted cars. Perhaps the transaxel 75's?
It would save me a bit of hassle as the dizzy is trying to foul the bulkhead in my MG Midget at the mo!

Its not a long shot, the V6 was originaly a RWD north south engine.
The Alfa 75 and GTV6 has the dizzy on the front left side, above the belt tensioner. Its blanked off on this photo, with a little breather on top. However if your engine is from a 164 the oil pump drive will have to altered to allow the fitting of a Distributor, no big deal but still needs done.
This shows the sump from a 75.


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Cheers! Thats just what I was hoping!