 Cylinder base sealant |
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| bbrock |
 Jul 15 2018, 09:54 PM
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#1
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914 Guru  Group: Members Posts: 5,269 Joined: 17-February 17 From: Montana Member No.: 20,845 Region Association: Rocky Mountains 
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Would Yamabond 4 be ok to use to seal Type 4 cylinder bases and shims to case? Tom Wilson recommends Permatex aviation 3 which I believe is now called Permatex aviation Form A Gasket 3, but I have a fresh tube of Yamabond on hand and wondered if that would work just as well. Will soon be doing deck height and valve train geometry so starting to get materials gathered.
Thanks. |
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| Dave_Darling |
Jul 15 2018, 11:11 PM
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#2
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914 Idiot Group: Members Posts: 14,980 Joined: 9-January 03 From: Silicon Valley / Kailua-Kona Member No.: 121 Region Association: Northern California
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Yamabond is pretty good stuff. I know mechanics who use it for quite a few similar uses.
--DD |
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| mgphoto |
Jul 15 2018, 11:14 PM
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#3
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"If there is a mistake it will find me" Group: Members Posts: 1,335 Joined: 1-April 09 From: Los Angeles, CA Member No.: 10,225 Region Association: Southern California |
Curil T for the cylinder base gaskets was recommended, and has worked fine for me.
Wilson book is great info but dated as to sealants. Curil K2 for case halves. |
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| Mark Henry |
Jul 16 2018, 12:18 PM
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#4
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that's what I do! Group: Members Posts: 20,065 Joined: 27-December 02 From: Port Hope, Ontario Member No.: 26 Region Association: Canada |
You can use yamabond.
You could use black RTV (gasp (IMG:style_emoticons/default/huh.gif) ) for cylinder bases (only), I used it for years never a problem. I now use loctite SI 5900 which is RTV and Porsche spec for 996 engine case halves, valve covers, and good for T1 and T4 cylinder bases, etc. It's a special RTV that doesn't degrade in oil/fuel and cause "worms". It's what I (and builders like Jake, Porsche factory) use on our $30K+ 996/997 engine builds. Threebond, yamabond, dirko and many others are RTV based sealants. QUOTE(mgphoto @ Jul 16 2018, 01:14 AM)  Curil T for the cylinder base gaskets was recommended, and has worked fine for me. Wilson book is great info but dated as to sealants. Curil K2 for case halves. BTDT, not a fan of Curil sealants. Not saying bad, just saying now there's better. |
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| injunmort |
Jul 16 2018, 12:22 PM
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#5
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Senior Member Group: Members Posts: 1,024 Joined: 12-April 10 From: sugarloaf ny Member No.: 11,604 Region Association: North East States |
I used yamabond on case halves and hylamar everywhere else, three years of driving and no problems. I like hylamar because it does not harden or leak. good enough for rolls Royce, good enough for me. fwiw.
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| bbrock |
Jul 16 2018, 01:05 PM
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#6
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914 Guru Group: Members Posts: 5,269 Joined: 17-February 17 From: Montana Member No.: 20,845 Region Association: Rocky Mountains
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Awesome! Thanks all. I certainly don't mind buying the right product for the job, but the yamabond is already in the glue drawer and suspected it would work just fine. (IMG:style_emoticons/default/beerchug.gif)
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