you still have to take the covers off. I have oring seals inside the plastic for the tubes, and it gives more clearance for the rockers.

http://www.1320go.com/maplegrove/livetiming.php

check this out, it is live from maple grove. so far,
wendell 71 @ 151.95
Hard (woos car) 80 150.53
gary wolkowitz 59 @ 153.60
pancake 76 @ 140.

cw