ok thanks for the replys
car has done 60000 came with f.s.h. when he revs it to about 1.5k he hears it knocking was told needed a rebuild.
i know roughly a rebuild is from £2k upwards,been quoted for new oil pump,water pump,head skim,re-bore on block,new pistons,etc
the garage only use genuine motorcraft parts as well
any more suggestions etc
thanks