Curil dry time - will I get away with it?

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D7
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Joined: Sat Dec 29, 2007 1:32 pm

Curil dry time - will I get away with it?

Post by D7 »

Just used Curil to seal my Aircooled engine case halves and because had a real problem seating the cam plug and an issue with a oil pump gasket and a bad case bolt from Euromax in their stud kit, it took about 25 minutes to torque the sucker up.
Now the Curil "dry" time is indicated as 5 minutes,but as it is a non-hardening sealant just wondering nervously if I will I be splitting the case,cleaning it all up and starting again?

Incidentally the stock cam plug only fitted in the Aircooled case backwards and had to be held in place by a pal while I torqued the case bolts.So beware and be prepared to do this as there was no way this plug could fit any other way.From what I have read, supposedly only the auto trans motors do it this way.

Don't have the Curil tube with me and can't remember which of the 2 Curils it was. Probably . doesn't make a difference though.
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FJCamper
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Re: Curil dry time - will I get away with it?

Post by FJCamper »

Hi D7,

I do not use the brand Curil, but I've been in the same situation with other sealants, and you should be okay.

Also, reversing the metal cam plug is okay. I've seen others do it, I've done it myself, without disaster. Some guys have done it thinking somehow that it would increase oil pressure. I've seen no evidence of that.

Those that warn against reverse installation of the metal cam plug sometimes cite that the cam might touch the plug and cause leaks.

I'd like to hear from anybody who has had a different experience with this.

FJC
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Marc
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Re: Curil dry time - will I get away with it?

Post by Marc »

The only reason NOT to fit the camplug "backwards" (recess outward) is if it's an aftermarket plug that's too long, so that the oil return slot in the case is occluded by it. Most "longblock mills" routinely assemble every engine this way so that it's good to go for any application.
Some (myself included) won't put the plug in backwards on an engine that's destined for off-road use out of concern for it creating a cavity where pebbles might lodge and eventually perforate the plug.
Curil K2 is the preferred sealant IMO. While it's always best to get things buttoned up as quickly as possible so there'll be less chance of oil or dirt getting onto the sealant, you should be OK.
D7
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Joined: Sat Dec 29, 2007 1:32 pm

Re: Curil dry time - will I get away with it?

Post by D7 »

Thanks guys that make me feel a hell of a lot better-there is lots of stress doing these internals as just one mistake can be a freaking disaster.Funny how easy it is rebuilding an old motor when all the parts have come from it,as opposed to assembling from new stuff. Best to do a mock up where practical first.
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