found this
its the man i have in my avatar,nice little interview with him and
steve ryder.
quote from Schanche

" mechanical failures throw you on your back"
http://www.youtube.com/watch?v=6n0ltKKrnCM

its the british rallycross grand prix 1990

he does a bit of explaining about how he does it
never heard anyone else describe chokeing the engine

and here is the final
watch martin schanche beat will gollop into the lead

http://www.youtube.com/watch?v=GcjQY...elated&search=