I went to check our race last night @
johnsom , don't know if you saved it, but it's a good way to analyze other drivers styles. You have a good smooth line, all i can say is: do what you are doing but harder. 4th corner your entry is early, try to be a bit more late,brake on the right and then come back in with throttle to get speed for that straight, don't use second gear. Last corner, try to carry more speed, brake earlier, less wheel, and do it with the throttle letting the car flow to that downhill. You can get 1sec faster just by nailing that two corners.
I fell very comfortable with cars that oversteer, they are usually my favorites. To be fast with that S2k(and maybe the majority of cars of that genre) you have to transform a corner in a big controlled slide, and that means dealing with oversteer all the time, turning less with the wheel and more with the throttle. That car is great and you can exceed it's limit without getting bitten.
The key for that combo: throttle on immediately after the brakes are released, then it's just controlling the rear and neutralising understeer with accel.
Well that is what i do...hope it helps you to shave some secs!