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| Rear main rope seal https://slantsix.org/forum/viewtopic.php?t=63442 |
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| Author: | emsvitil [ Thu Mar 28, 2019 7:45 pm ] |
| Post subject: | Re: Rear main rope seal |
Why isn't there a one-piece seal that would work as is? Slip seal over crank, lower crank into case, bolt on seal retainer.... I don't see why that would work..... |
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| Author: | GregCon [ Thu Mar 28, 2019 7:49 pm ] |
| Post subject: | Re: Rear main rope seal |
Because the flange of the crank has a larger (by a lot) OD than the seal journal. |
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| Author: | emsvitil [ Thu Mar 28, 2019 8:12 pm ] |
| Post subject: | Re: Rear main rope seal |
Quote: Because the flange of the crank has a larger (by a lot) OD than the seal journal.
Why didn't I notice that in DD's book...….. ?
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| Author: | Badvert65 [ Thu Mar 28, 2019 9:53 pm ] |
| Post subject: | Re: Rear main rope seal |
Not a fan of rope seals. I have never had an issue with the neoprene seals (on any engine). Much simpler to install. Jus sayin. |
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| Author: | Charrlie_S [ Fri Mar 29, 2019 5:17 am ] |
| Post subject: | Re: Rear main rope seal |
The old rope seals that where made with asbestos worked just fine. They were a pain to install, and did create more drag, but done correctly didn't leak. The newer type without asbestos don't seem to be as good. The replacement rubber seals have a tendency to seep, if the knurl on the crank is not smoothed down. I did read about a split one piece seal, somewhere, but have no experience with it. Pricey http://www.fastfishautoparts.com/Perfor ... Seals.html |
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| Author: | GregCon [ Fri Mar 29, 2019 6:06 am ] |
| Post subject: | Re: Rear main rope seal |
I'm mostly using a rope seal for 'fun' and to be a little old school. But I also have plenty of experience with split rubber lip seals that leak, so they pose their own issues as well. The need to get both halves centered on the journal and closely aligned is very 'real' and can be a tough thing to achieve. $79 for a rear main seal...? That's cheap, if it prevents a leak. I like older engines as much as anyone, but sealing was never their strong point to say the least. |
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