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Showing results for tags 'sealant'.
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Hi there! Is it some sort of special technique to use a gasket sealant like Hondabond on a metal head gasket? Got my engine back from a builder and he used Hondabond on my Tomei metal head gasket. He says hes been using this technique since 2017. Never heard of anyone doing this before, and my first instinct was that this was totally wrong. I tried searching the web for several days and came across *some* high HP builders using a little hondabond on head gaskets as some sort of insurance. Pictured below is my metal head gasket with the grey hondabond coming from the sides.
What sealant do you guys use on welch/core/freeze plugs on your RBs? I'm in the process of building an RB30/25 and I can't seem to find any answers on here. I have bought brand new brass welch plugs. Apparently you have to use a special silicone sealant? I read somewhere on here that someone said loctite 504. Then I read somewhere els on the interweb (on other engines) that someone said permatex no. 3, and stag. LS motors have special ones that they buy from GM i think. I bought a nissan gasket kit and got nissan fluid gasket which i'll be using on the water pump. Do you also use it on the oil pump (+gasket) and oil pan?