high compression pistons

["Phil Bates" <jello@ida.net>]

My 3 main MGB 1800 motor overheated badly last summer due to a lost water
pump seal.  I'm going to need a rebuild probably this upcoming winter (the
car is drivable, but has low compression).  Has anyone tried getting
higher compression pistons for their engine??  I see stock 3 main B motors
are 8.75:1.  I was thinking about bumping it just to 9:1 for the extra
oomph.  Anyone done that or have suggestions.

Phil Bates