Originally Posted by yeahdudebrown
Post #35 in this thread explains why I did not end up going with the R version.
I would like more details: why not the ball bearing version? How much HP and TQ did you get with the 18g-XT and at what RPM?
I am currently in the process of buying one or the other of those (in 8 or 10cm turbine housing, not decided) so please keep us update!