What gasket surface cleaner?
#2
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Lacquer thinner on a clean rag. Brake cleaner sprayed on clean rag.
#6
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Thread Starter
I use lacquer thinner also but for some reason a motor I built last spring still had wet RTV in it. Not liquid but oooozy. Looking for answers to a lot of questions with this one.
#7
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iTrader: (2)
I've bought Rtv that must have been sitting on the shelf for awhile and it never cured. It does go bad. I probably have a couple tubes in my toolbox right now that will not cure. I usually do a test squirt on something and see if it sets up b4 I use it on a motor. As far as surface prep usually brake clean or whatever else I have laying around. Starting fluid works very well to.
#9
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I use carb cleaner to get rid of the heavier deposits because it seems to break down the oils and whatever else that's leftover. I use brake cleaner before final.
#10
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RTV will only care about the surface's prep with regard to adhesion. If the vulcanizing agents are intact, it will still harden. Sounds line just a bad batch of RTV... previously frozen or just expired.