sirio was testing a simila type sleeve and case at the 1/8 worlds
a few months ago. I guess they are making it for the .12 engines
now also. the problem with sirios from what ive heard was the
rods just don't last so i hope they redesigned that also.

tg are you running same specs on all the motors that your taking
to florida or are you done testing the timing and and other
#'s on different p12's?