Thanks DU.

As I suspected there is no reason not to use the VR as a C/L nor the VR-P. While the VR-P does have a little longer blow down period than what I'd look for in a C/L engine it should be easy enough to rework by lowering the sleeve. Also the inlet timing as I recall really wasn't suitable to pylon racing as delivered. So it should work fine for C/L work.

Now to be clear I don't, nor do I think anybody here is, advocating that the VR-P be considered as one's first choice for a C/L engine.
It is that on the face of it C/L might be its best application. Not that it is the best for C/L.

Friends don't let friends.........

Konrad