cylinder boring?
 

is there enough material on the 78sc cylinders to bore them out so that 3.2 litre overbore pistons can be used or do i need to buy different cylinders?

It's usually best to just pick up a good used set of 3.2 cylinders...

-Wayne

Just in case Wayne's answer was too terse... The 3.0 cylinder's sealing groove makes them undesirable for boring out. The 3.2's are the same diameter (95mm) but they don't have the groove so they can be bored out and replated. It may be cheaper to just buy a bored out set outright (from EBS for example) rather than buying some and having them bored out yourself. When I looked into this a couple of years ago it was cheaper to have EBS do it than having US Chrome do it. (EBS uses someone else.)
-Chris

Guys, what's the max diameter the Carrera 95mm's can be bored out to safely?

I'm thinking of going 98mm!?!