Chris,
I think you started racing 6 months ago with us. In that time you've gone from being a complete liability
to being a really good club level driver. I think you're coming along just nicely as you are, do not think any other park bashing or PS3 will help.
Main thing is a car that is not to powerful, punchy or fast. Your cars is quick enough so its not speed. Its about crashing.
If you're racing tonight work on having a clean race. a crash can loose you 3 to 6 secounds. So if you crash once every 4 laps, that's about a lap that's lost.
My view is steady and conservative. Look at my lap times from the regional on Sunday. My fast laps will be one of the slower ones in my heats/final BUT I try to drive without mistakes, Jmes Lucas calls me Mr Percentage!!. That's my view anyway.
Yes, different car will help (Losi 22 not the best in the dry and not great in the wet TBH) but it's got you started. Now with the XB4 get Glenn to set it up or Chris E, tone to speedo down and get some cleanly without mistakes.