find out what code is stamped on the block? CY,MF,or something else? those 2 codes are common here in the states and they should have squirters!
sounds like pump was rebuilt and never used? that should be fine it can sit for a while with assembly fluid in it! if thats the case? pics. would help me tell you more? me personally i would not use the 1.5 head either! oil passage is too small and for breathing you will get all the 1.5 blowby issues i'm sure?
see if he had the old TD head for the valves? well i think it's worth 200bucks and thats generious on my part! start at 150bucks? also depends if he has intake and exaust pipes and etc.?
thanks Duane