depends on how good you are with a spanner!!
last one i did was on a 416si i had to remove the engine mount which was a task in itself would of been easy if i was double jointed at the finger tips!! cambelt off and thent was just a case of clearance to get in at it all in all took me a few hours with hand tools and no power tools but im a mechanic by trade good luck =)
gary, July 2010