Largest wheel on a Mk1 Capri

[XRQTR]

Hey folks, just wondering what's the biggest wheel size combo to go under a "non mini tubbed" standard Mk1 Capri rear end. I'm thinking about either 15" Convo Pro wheels or even a 17" mini lite/Watanabe style that I could get from the guys I got my Z wheels from in the US, speaking of which what is the PCD and offset?? If it's a 114.3x4 then I could get them landed drilled and powder coated if anyone else is interested, otherwise I'd get them undrilled and have them tapped here.

Also the standard rear offset, like I said if they are similar to the early Zs then I could get them for a very good price ready to fit.


Thanks
Stef