You will find pubs which have 8 ales available. Click on the pub name below and it will take you to the page.
I have added their twitter account incase you want to follow them.
University Arms – @UniversityArms
Rising Sun (Abbey Lane) – @RisingSunEmber
Cow and Calf (Sam Smiths pub) (CLOSED)
Porter Brook – Ecclesall Road – @ThePorterBrook