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Inkblot Inkblot is offline
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Join Date: Jul 2017
Location: Coastside SF Bay
Posts: 205
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Thanks, all.

@Neil Your comments are much appreciated. It was a pretty easy decision; though I'd lose some momentum, the time to re-open the case is peanuts relative to the total amount of time that I'll have in this project. The old line "If there is any doubt, then there is no doubt" held true here. In my professional life we'd call this technical debt; you might not have to pay today, but you will have to pay... plus a lotta interest! Good tip on the oil pump locking tabs.

@Jonny:

Quote:
Originally Posted by Jonny042 View Post
Interesting how much thickness remains in places of the parting surfaces of the case, where other places it's squeezed out completely
The pics are deceptive, because it's hard to compare the same location on both sides of the case. I think a lot of the spots where it looks like it was squeezed out completely are actually just places where the sealant (which wasn't fully cured) was just pulled off by the other side of the case. Hard to tell... but, to your point, I agree that the sealant does have a role to play!

Good idea re. the 1211; I'll go lighter and pull it more away from the inside.

I'm still conflicted on the 574 for the main bearing saddles. I hear Neil saying I don't need it (reinforced by the factory practice of leaving them dry), countered by Henry Schmidt's recommendation to do it as a "why not" kinda protection. In my own mind it's hard for me to see a downside (assuming an ultra-thin coat). To your question, no- I can't really judge if my application of the 574 would have changed any of the clearances. I can say that, while cleaning everything up, in a few places I was able to peel off a translucent "skin" of dried 574. Really tough to know if this was because the 574 didn't squeeze out and created a tiny gap (bad), or if there already was a tiny clearance between the bearing saddle surfaces which the 574 then filled (better). Still thinking on it.


@Ed: Thanks! I should have referenced the shop manuals before asking. For whatever reason I'm always slow do dig into the manuals (probably because I have them as PDFs, and they're hard to search...). Here's a pic, which confirms what you're saying:



...and the pic from Wayne's book which mislead me!




Anyway, as someone wise said somewhere in this forum, Wayne's book is a great book, but it's not the only book...
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'73 911 T MFI Coupe Silver Metallic (in progress...)

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Last edited by Inkblot; 08-06-2019 at 12:46 PM.. Reason: punctuation
Old 08-06-2019, 12:45 PM
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