if i have to actually glue my sleeve in for it to run right....what good is this engine then... ive been pulling my hair out with this thing for awhile and after a new piston sleeve button wrist pin and a proper bench break in the thing still dont run right?? i was starting to re-evaluate my tuning skills?? since this thread has people offiliated with star motors in it.....what would you say ive spent much$$$$$ and i have yet to see any return but problems!! i want to ship this thing back!! ive had a rb c3 rody(three thumbs up!!) and a rossi black magic ( another three thumbs up!!) still have em and they still run like a top...this motor i bought beacause i wanted to put a new engine in my x5 because i bought the x5 new...last year it cost me 3 points races and this year this last past sunday it cost me one because it stalled for no reason!! i dont want it anymore...