Originally Posted by
nick46
Didn't the rules change which effectively killed off the RS500's and the M3's? I thought in the early 90's the BTCC went to 2ltr normally aspirated engines?
Just out of interest what's the engine rules these days and what sort of bhp are the latest cars running? Don't follow it any more so wouldn't know.
Think you are right. Also the fact that new tech came along which meant engines didn't require the rebuild /check which as we all know cossies require..