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Registered
Join Date: Mar 2003
Location: SF Bay Area
Posts: 119
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1974 2.7 Engine - #8 Nose bearing
I just finished taking apart an engine I bought years ago. On each side of the case, there are two groves that line up with grooves on the old #8 bearing with brass dowel/pin, which I'm sure is not how it left the factory. Before I start sending parts to the machine shop, I'm wondering if the case can be repaired. I'm sure that assembling as is, it will leak badly.
  
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07-09-2023, 04:18 PM
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Constitutional Liberal
Join Date: Apr 2004
Location: Seasonal locations
Posts: 14,561
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Looks intentional but but should be repairable. Just weld it and aline bore the #8 when you aline bore the case.
Aline bore number 8 bearings are readily available. *Although certainly not the best option, properly applied epoxy might also do the trick.
__________________
Jim “Rhetoric is no substitute for reality.” ― Thomas Sowell |
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07-09-2023, 06:00 PM
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My engine case had corrosion on the #8 bearing saddle. Ollie’s machined it a little larger to allow for a 3.0 930 nose bearing.
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07-09-2023, 09:04 PM
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Registered
Join Date: Mar 2001
Location: Marysville Wa.
Posts: 22,435
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Look at all that set up Loctite 574. It didn't squeeze out before setting up. Probably caused a #8 leak all by itself. That's why I don't use it.
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https://www.instagram.com/johnwalker8704 8009 103rd pl ne Marysville Wa 98270 206 637 4071 |
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07-10-2023, 06:04 PM
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Registered
Join Date: Apr 2007
Location: OC
Posts: 824
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If you use Yamabond or Titebond at the grooves and the Wrightwood Racing viton o-ring there will be no leaks , but the case is probably warped and needs machining
anyway . |
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07-10-2023, 06:48 PM
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