I am getting ready to join the case halves of my O360 A2F and my old Lycoming book says not to use o rings on the center studs if they are doweled, this is what I will do unless told to do otherwise. The thing that makes me question is that there is a machined recess on one half that would fit an o ring, it would need to be slightly stretched to go around the dowel but it seams like it would make a good seal.
I can't really answer, but know that I would call Divco or whoever worked on your case to get their input. They wouldn't likely put a recess around the dowel, if on oring wasn't used.
Larry
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N64LR - RV-6A / IO-320, Flying as of 8/2015
N11LR - RV-10, Flying as of 12/2019
They are not the same as the standard o-rings used on the throughbolts. If memory serves you need
STD-2013 o rings. I’ll confirm the number when I get to the Hangar latter.
Part # confirmed.
Last edited by theduff : 06-19-2019 at 06:24 AM.
Reason: Confirmation
O rings on center case studs on O360?
Linear Mode
