thanks for the link. Like you say, there is loads of that stuff around but my aim would be to produce something exaclty like him ( in a perfect senario) and i know he is fairly typical of his lineage. So breeding to a good bitch of the same blood would make sence but the question still stands.. is it time to outcross for health reasons ?don't think it would hurt,as a/sam is in there quite a it ,but my knowledge on whippets is nowtMaybe a whippet forum can tell you what has worked in similar situations.
Do you want to keep the ikc registration,if not maybe a non-ped racing type