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Old 11-14-2002, 06:37 AM
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Question Installing rings w/o oil?

I wanted to see if anyone has attempted to start a new engine without first lubricating the piston rings. (A good case in point would be Scooters '33 over at project33)
I have talked to numerous builders in town and the general concensus seems to be split almost 50/50 in this matter.
I have always assembled the pistons/rings, and then dipped them in a coffee can full of fresh oil before installing them. (I get a little jittery thinking about dry metal to metal contact when starting up a new engine.)

Can you guys offer your opinions in this matter?

Does dry starting the rings lead to pre-mature failure in any way? (Or otherwise just bad to do?), or does coating them in oil first really lead to that bad of a carbon buildup from the get-go?
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