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Hi gang,

I have an idea to prevent the rear crank main from leaking oil past the cigarette seals. See what you guys think: I'm in the middle of doing a full engine rebuild and I noticed on both sides of the rear main crank cap there is about a 1mm or so gap between the cap and the block wall. The cigarette seals are in the middle of this gap (in other words if you stuck a feeler gauge into this gap you would contact the rubber cigarette seal.
Is this gap there for a reason? To allow for expansion when warm? I thought of squirting a thin bead of permatex form-a-gasket into the gap to seal it even better. This sealant (# 1372) cures soft and is resistant to oil. I wanted to get some opinions first before I went ahead and did this.

thanks
AlfaBeta
 

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The cigarette seals are no longer used by Alfa they say to just fill the holes with locktight # such and such. Do a search there was a long thread on this not to long ago
 
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