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In the shop at Pelican
Join Date: Aug 2002
Location: Los Angeles, CA
Posts: 10,459
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Question about Curil T
I've been putting all of my engine stuff back together for my BMW rebuild and i was wondering about Curil T.
Does this stuff cure under pressure? I put a layer of it on my oil pan and the excess that seeped out the side is still a sticky gum after a week.. Im wondering if this stuff is cured by pressure or heat? Should I go over the sealing sufaces with a hair dryer? All the sealing surfaces are clean, but I'm a little leery of filling it up with oil until I know what the deal is. Anyone? |
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11-22-2004, 04:44 PM
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Registered
Join Date: May 2000
Location: Los Alamos, NM, USA
Posts: 6,044
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By formulation it is not supposed to harden and it won't. Jim
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11-22-2004, 04:47 PM
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In the shop at Pelican
Join Date: Aug 2002
Location: Los Angeles, CA
Posts: 10,459
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hmm.. You think I should pull the oil pan off and use something else other than the Curil?
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11-22-2004, 04:50 PM
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In the shop at Pelican
Join Date: Aug 2002
Location: Los Angeles, CA
Posts: 10,459
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Learn something new every day.... Guess I'm gonna be pulling all of that off again... Oh well... however if there is already a cork gasket on there, wouldnt it not make much of a difference? I figure that if this stuff is temp rated for exhaust and turbo components, as it says on the tube, shouldnt it be fine? Or would the Curil clog up the cork, preventing it from sealing correctly?
What would you reccomend? Just regular RTV? Last edited by Jared at Pelican Parts; 11-22-2004 at 05:07 PM.. |
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11-22-2004, 05:02 PM
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In the shop at Pelican
Join Date: Aug 2002
Location: Los Angeles, CA
Posts: 10,459
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Well it appears that the oil pan was originally held on with no sealant... However, my old gasket leaked and the OEM spec for the bolts is 7 ft.lbs.. I'm using sealant on there...
Last edited by Jared at Pelican Parts; 11-22-2004 at 05:16 PM.. |
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11-22-2004, 05:08 PM
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Friend of Warren
Join Date: Oct 2000
Location: Lincoln, NE
Posts: 16,493
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You are not going to hurt anything leaving it on there, that is if you are also using a gasket.
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Kurt V No more Porsches, but a revolving number of motorcycles. |
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11-22-2004, 06:09 PM
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In the shop at Pelican
Join Date: Aug 2002
Location: Los Angeles, CA
Posts: 10,459
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yup, I put one layer of Curil on the block, then the cork gasket, then another layer of Curil on the pan... Sound ok to you?
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11-22-2004, 06:17 PM
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Registered
Join Date: May 2000
Location: Los Alamos, NM, USA
Posts: 6,044
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You're good to go. Just don't over torque the screws or nuts. Jim
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11-22-2004, 08:19 PM
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In the shop at Pelican
Join Date: Aug 2002
Location: Los Angeles, CA
Posts: 10,459
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Thanks for the clarification. Much appreciated...
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11-22-2004, 09:14 PM
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Schleprock
Join Date: Sep 2000
Location: Frankfort IL USA
Posts: 16,639
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I'm sure it'll be fine. Here's an FYI on Curil products:
http://www.bus-boys.com/bbzvc.htm IMO, Curil T is intended for flanged joints or mating surfaces. I've used it on o-rings (specifically the oil return tubes) and the stuff makes a freaking mess of the tubes. For o-rings, i'd suggest the old standby. The ubiquitous (I had to look that word up  ) Dow Corning 111, 112 lubricant/sealant. The 112 is the higher temp stuff. Readily available from most any local industrial supply house. Or you can easily get it online at McMaster-Carr. www.mcmaster.com
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Kevin L '86 Carrera "Larry" |
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11-23-2004, 05:28 AM
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Super Moderator
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I've always used the red "tack-sealant" common to older car valve cover gaskets on just abot any "cork" gasket I've worked with. However it does harden and if I can use Curil-T on something, I prefer it because it is easier to work with, doesn't cure, reducing the risk of hardening up in some oil passage somewhere.
OTOH, I've STOPPED using Curil-T on certain things like flywheel seals, etc.. because it has a strong tendency to allow the seal to push out.
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Chris ---------------------------------------------- 1996 993 RS Replica 2023 KTM 890 Adventure R 1971 Norton 750 Commando Alcon Brake Kits |
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11-23-2004, 08:36 AM
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Schleprock
Join Date: Sep 2000
Location: Frankfort IL USA
Posts: 16,639
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Quote:
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Kevin L '86 Carrera "Larry" |
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11-23-2004, 10:39 AM
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1970 Porsche 911 S 
