Thanks oscar.. By the end of the day i'd realised that if i use the full width of the track (including the ripple strips) that when the outside wheel is up on the ripple strip it pushes down the inside wheel giving it grip. I also started to get the feel of not braking as much and relying on the firm suspensino a little more.. eg not braking too much then having to use the throttle through the corner, but instead, braking less and rolling through the corner with pace using the firm suspension.... Though I wasn't ballsy enough to really push this theory too much.
My next test for the hill-climb this weekend will be a theory taken from the top gear episode where richard hammond drives the F1 car. They tell him to decrease the time it takes to apply the brake after getting off the throttle.. Thinking about it, I take AGES to get on the brakes after releasing the throttle.. if I minimize that time i can brake a little later and squeeze a few more 10ths on my time..... that's the theory anyway.. see if my testicles can pass the test.

The undulations at the end of the straights are definitely noticeable, and took some getting used to.