I bought my from Nissan and they didn't have the extra metal.  It's embedded into the rubber.  Try bending one.

The Felpro seals do have the extra metal nails Tom Monroe talks about.

 

Okay, thanks Cliff. They went in pretty tight and I lined the slots with Ultra Black Gasket Maker prior. Didn’t know they were imbedded.


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FYI, just a little bit of the gasket maker, and install quickly along the bottom edge per the book. You don't want it creating a gap by starting to setup. If I was doing over again I would use the Permatex anaerobic stuff, stays liquid (more like gel actually) until after assy, then setups up in absence of air. I doubt its a big deal but just saying that is how I would roll today after using some of the stuff. think its call 513 or something like that. I ended up using the after market with the slide in parts, no leaks (I checked it recently when I found my main seal leaking do to my poor install the 1st time.

FYI, just a little bit of the gasket maker, and install quickly along the bottom edge per the book. You don't want it creating a gap by starting to setup. If I was doing over again I would use the Permatex anaerobic stuff, stays liquid (more like gel actually) until after assy, then setups up in absence of air. I doubt its a big deal but just saying that is how I would roll today after using some of the stuff. think its call 513 or something like that. I ended up using the after market with the slide in parts, no leaks (I checked it recently when I found my main seal leaking do to my poor install the 1st time.

We use 518 on battle tank chassis parts. Amazing stuff and smells great...

48 minutes ago, wheee! said:

We use 518 on battle tank chassis parts. Amazing stuff and smells great...

yep that's the stuff

https://www.permatex.com/products/gasketing/anaerobic-gasket-makers-flange-sealants/permatex-anaerobic-gasket-maker/

yep that's the stuff
https://www.permatex.com/products/gasketing/anaerobic-gasket-makers-flange-sealants/permatex-anaerobic-gasket-maker/

Okay, hopefully I won’t have to redo the job but if I do I know what I’ll use next time. Dave, I’ll run this engine on a stand like you did and fully test it while the car is getting paint and body work. If she leaks, I’ll know before install.


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I am sure it will be fine, just want to let you know about the stuff, I tried it and its great.

Glad to hear you plan to use the test stand, I really like making sure everything is up to snuff, and after a big time rebuild, I can see how it would be even more important, esp if you don't do rebuilds everyday for a living. I got all hung up on that combustion gas leak in the coolant, so do that test as well.

Edited November 4, 20195 yr by Dave WM