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Registered
Join Date: Dec 2003
Location: Centreville, MARYLAND
Posts: 938
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Grey rtv as case sealer
Heard some use it to seal the case halves. Can this be true and what qualities would make this a superior product to Yamaha bond or other recommended products?
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Old Tee all 911s sold |
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06-12-2008, 10:13 AM
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3 restos WIP = psycho
Join Date: Feb 2005
Location: North of Exit 17
Posts: 7,665
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It's not superior. It will leak over time.
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- 1965 911 - 1969 911S - 1980 911SC Targa - 1979 930 |
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06-12-2008, 10:41 AM
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Registered
Join Date: Oct 2003
Location: Central Fla
Posts: 1,864
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Sealer
Use the yamabond, or the new version Three bond 1194, (they made it all along) and marketed it under Honda, Yamaha, suzuki etc for years. It is still available at the motorcycle shops. I have used it for years with great sucess.
Mike Bruns JBRacing.com
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The two most useless things to a driver are the braking distance behind you and nine-tenths of a second ago. |
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06-13-2008, 07:22 AM
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Join Date: Jun 2006
Location: Ballston Spa, NY
Posts: 528
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Permatex Anerobic flange sealer works very well in this application. It's a thick translucent red compound that cures to a non-hardening bond in the absense of air. Has a slower cure time than your typical threebond as well so you have more than ample time to position and torque the case halves together. I use the stuff on all gasket-less metal to metal sealing surfaces(except things like heads or exhaust components). I consistently use it on transmission or gearbox rebuilds that will see extreme oil temperatures at the seal.
I got real tired of feeling rushed to assemble a motor or gearbox once the sealant was on. With this stuff you can lay down the compound, go walk away for a 3 hour lunch, and return to your work to find the sealant still uncured and ready for assembly. Not that I would do that, but nice to know that your speedy-ness in assembly ins't so rush rush. Just run an 1/8" bead of it and when the halves torque the compound "wets out" evenly and completely. After ~2 hours you can go ahead and wipe down any residual creep that squeezed past the seam. Great thing too is it's readily available at just about every Napa/Autozone/Advanced store around. Blue squeeze tube, clean nozzle w/ little red cap. Haven't had the stuff leak yet on any motor/project.
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Adam Hennessy |
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06-13-2008, 09:31 AM
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Join Date: Jan 2006
Location: Denmark
Posts: 267
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I used the Loctite 574, but not many in here seems to like this product. many other uses the yamabond. The 574 was used by the factory. i think when you seal close to the main bearings and the trough going oil gallery in that aera, it must be the best product to use, because the engine oil will wash it out if it goes in the oil gallery - i'm sure it will go in the gallery a you seal directley around them. I used Isopropyl alcohol to final cleaning of the surfaces after checking the mating surfaces have absolutely no burs. I'm sure that the ceaning process is more important than choise of sealing product.
I have now driven at least 15000 km, with absolute no oil leaks ! and no sweading paper gaskets at all - It is completely dry ! Roslin
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Porsche 911 SC 3.0 |
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06-13-2008, 10:58 AM
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Join Date: Jan 2006
Location: Denmark
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just some photos of my engine
 Good luck!  
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Porsche 911 SC 3.0 |
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06-13-2008, 11:04 AM
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resident samsquamch
Join Date: Oct 2005
Location: Cooterville, Cackalacky
Posts: 6,815
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Quote:
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-jeff back in the saddle: '95 993 - just another black C2 *SOLD*: '87 930 GP White - heroin would have been a cheaper addiction... "Ladies and Gentlemen, from Boston Massachusetts, we are Morphine, at your service..." - Mark Sandman (RIP  )
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06-13-2008, 11:15 AM
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