Hi Guys getting back on my project after a long delay. Im putting my cylinder studs in, do I need to use any sealant on the ones that are threaded thru the case?
Thanks Jeff
Yes, Curel T I think...
Thanks ConeDodger, I just so happen to have some.
I'm looking at my sealants and Curl T is green. The more I look at this I think Loctite 565 would be a better choice and maybe what you are thinking of because it is white. It also doesn't get hard and is a thread sealant.
When I did mine, using Jake's high school video.
It was white, but it was Permatex. The little bottle with the brush inside.
Curil T is what Jake was using for that last I read his site. His video is very old now and he has updated some of his recommended sealants (which you can also get from his store). Curil K2 is used for the case halves while you are in there. These (and many others) are what I used on my motors and they work well.
I've used Curil T on 911 engines...not overly impressed.
I used Loctite 565 on my case thru bolts....that's what was recommended in the list of sealants
I got from Jake's Type 4 store at the time. I think Permatex Aviation would still be good....
I wouldn't use Curil T on that area but the Curil K2 did do great for case sealing.
My question is for the cylinder studs specifically. Is loctite or some sealant to be used. Several of those studs hole are thru to the internals of the case and others are blind holes.
Jeff
I used the Loctite (565 I think) there. I also used it on the rocker studs that go through the head. The Curil T was used on the case and head washers to act as a gasket.
I used the 574...pink stuff that I had laying around that Porsche used in the past. I have yet to see how well it holds up...good I hope on my part. Oh and some curl t on the case bolts below the big washer on the side of the case.
I've used loctite thread locker and 565 without issue on studs.
I've also used the loctite purple anaerobic "replace a gasket" flange sealant (I forget the number.... 518 maybe?) it works as well.
I used Teflon pipe sealant compound. Seems to work.
Thanks guys, I think Im going to use the loctite 565 that I have. It should work fine.
Jeff
Is there a list of what sealants we need to use and where?
Case -
Thru bolts/case studs -
Case to cyls/spacers -
Cyls to heads -
Steve I have a list that came with my Raby kit at home. I can get it to you tonight.
Going forward!
Recommended Sealants and their uses:
Curil K-2 Case haves and between cylinders/shims and case.
Loctite 565 Push rod tubes, case thru bolts, galley plugs and threaded fittings
Curil T use to seal the 4 lower head washers. The ones inside the head
Loctite 518 can be used instead of a paper gasket where the gasket isn't maintaining a clearance. Oil pump, camshaft plug
Steve Im just going off of what Jake recommended/DIRECTED at the time I bought my kit. Look into the specs and characteristics of each of these sealants. Jake used them in these areas for a reason. Thats good enough for me. No need for me to deviate or try and reinvent the wheel. I pretty much already paid for that. Just follow the yellow brick road.
Well, I'm almost at this point, ready to start assembly, and in going over my parts list, I realized I never bought this stuff...... Unfortunately, the type 4 store (sold as a kit) isnt up yet.
Anyone have an idea on what sizes are needed? I'm thinking of the 50ml, but figured I'd double check first...
Also, any chages in the "current wisdom?"
The tubes of Curil K2 & T that came in my T4 sealant kit are both 75ml but I only
used small amounts of each and have a bunch leftover. I ended up using most of the tube of Loctite 565 thread sealant over the course of the build. I think it was a slightly smaller tube, maybe 55ml.
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