The compression check had cylinders 1, 2 and 4 at 79/80. #3 was at
67/80. No other symptoms other than the engine has been consuming 1 qt
every 5 or so hrs over its 270 hours SMOH. ECI Classic Cast
Cermi-Nil cylinders (the original Cermi-Chrome cylinders started going
bad around 400 hours). The first 12 engine hours of flight were spent
above 4000 MSL.
Scott Krueger
AKA Grayhawk
Lancair N92EX IO320 SB 89/96
Aurora, IL
(KARR)