has the block been covered the entire time? get in each pot with compressed air, and get the pistons and the sleeves, PRISTINE! I'd also finger a thin layer of oil around the sleeves just before setting the head on.

I'd not mess with MMO unless you need it to clean up some glazed pots... stuck rings?

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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread
"as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do!

My drivers:
1987 190D 2.5Turbo
1987 190D 2.5Turbo
1987 190D 2.5-5SPEED!!!

1987 300TD
1987 300TD
1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere!