You might have more luck on one of the forums dedicated to the whole MG/Rover range rather than the specific Two-Sixties which is, by it's very nature, focussed on owners and prospective owners of MG 260/R75 V8 models specifically.

Try:

Rover 75 & MG ZT Owners Club

75 ZT Enthusiasts


XPowerForums.com

MG-Rover.org

Nich.