Yes I learned some porting tricks over on the car forums and will most likely mod one in the old collection for the fun factor.
I had found this site with some common sense info etc. back when I had bought the first car engine.
http://www.nitrorc.com/articles/2strokepart1a.html
http://www.nitrorc.com/reference/etuning.asp
When using props we get away with running the engines leaner than they should be.
The car guys tend to use synthetic blends for a cleaner runs I wont go under 20% castor just not
worth nuking the engine in the hot TX weather.