Thanks for the comments. I think Ringmeet is a bit of stretch for the car as all the components are new, "untested", and it has had significant modifications that are not yet fully road proven. I've done maybe 1500km's with it now after the modifications, and it has been mostly reliable, but still I am afraid to take it abroad as parts are mostly custom and even the base parts are often extremely rare..
Forgot to mention in the post that the preliminary tune in the engine currently produced 183 rwhp and around 210rwnm. Equates to somewhere a bit north of 200 hp from the engine. This is without a lot of ignition advance and no adjustment to the camshafts, I expect it to make a bit more once it is properly dialed in.
Ps. Yes, it is indeed fuel leaking from the breather valve, will be fixed for next summer