The first thing I would check is the timing. The idle timing is just the starting point, unless something seriously is wrong it'll advance or retard as needed automatically.
EB has a killer post on getting more power out of a 22r/e:

http://www.4x4wire.com/forums/showf...part=all&vc=1&PHPSESSID=

and an old post from the ORC board:

http://bbs.off-road.com/ubbthreads/...in=155252&Search=true#Post658728

Mark

I would rather suffer the consequences of a Conservative?s error, than suffer the consequences of a Socialist's intent.