replacing engine gaskets
#1
replacing engine gaskets
I want to replace all the gaskets on a 350 sb.
What gaskets do I need to use gasket cement?
Which ones don't need it?
Do I coat both sides of the gaskets?
Thanks.
What gaskets do I need to use gasket cement?
Which ones don't need it?
Do I coat both sides of the gaskets?
Thanks.
#2
Senior Member
What year is the 350? The small block has a vast amount of options of gaskets to choose from. If it is a early block I suggest staying away from cork gaskets and use good Felpro fiber and silicone gaskets. I like to use a thin coat of perm-a-tex aviation sealant on the fiber gaskets and use a little RTV in the corners of the oil pan gasket and use RTV on the ends of the valley on the intake manifold. If your replacing the head gaskets you don't use anything on them.
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Soft Ride (03-07-2014)
#5
Senior Member
I like to use sealant on both sides of the fiber gaskets. I use a little permatex high tack on the valve cover gaskets to keep them in place on the valve cover side.
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Soft Ride (03-07-2014)
#6
Senior Member
Posts like a Turbo
Go to your local chevy dealer and pick up some of their gray silicone commonly known as Gms. Everything that'* cleaned properly the gms wont leak. It lasts a lot longer than permatex, its tackier and sets up in 2 mins.
#8
Senior Member
True Car Nut
i have had leaks come back with permatex but it was always when i used different ones other than the ultra black. i havent had one of those leak again.
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