LOOK at the side of the engine under the manifold if its smooth -3bearing........... if its ribbed -5bearing ..simples my friend ,,hope this helps,,,,,dave
Well actually it turned out to be a 3 burrin, from the lack of reinforcing webs andthe engine number.
I've now sold it, he whole engine with all the ancilliaries for £110, I hope that I havent diddled myself or the bloke that bought it.
It was a good runner so the bloke who bought it didnt get a bad deal.