How big on a 19 wheel?

[breaker morant]

What's the biggest rear you can sensibly run on a standard monaro with a 19 wheel?
The 275s on the vxr8 look suitably wide but I'm thinking 255 is not that much of s difference (visually) over the 235 to be worthwhile.

[vxr8mate]

Asked a similar question some weeks ago. You may find this helpful.
www.pistonheads.com/gassing/topic.asp?t=735126