Chevy 350 Oil Pan Gasket Leak

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Mistermastamind

Not-quite-so-new-guy
Nov 19, 2012
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Chrome oil pan with "Mr Gasket" one piece oil pan gasket continues to leak. Should I go back to the multi piece gasket or is there some type of sealant that can be used once the one piece gasket is replaced?
 
replace the gasket with another gasket from another maker, make sure the mating surface on the pan is flat without any low spots. also check torque on all bolts, make sure none or over or under torqued.
 
Also use a thin layer of permatex ultra grey to help ensure a good seal. Like he said make sure that the surfaces on the oil pan and the block are clean and level. Use just enough of the ultra grey to make a nice, even coat. Just remember that a little goes a long way. When buying gaskets I always stick with Fel Pro. Also when you buy a new gasket use acetone or brake clean spray it on a rag and just wipe down the new gasket as they come with a mold release agent on them so when you clean them the gasket is nice and clean.
 
The ultra grey works well. I used it on the chrome transmission pan on my Monte, and it worked like a charm. The only advice that I'd give (beyond what others have already said) is to make sure you allow the sealer to cure properly before using the vehicle. I've found that it makes a difference.
 
Yes, Yes, Yes, this is why I love this site. Thank you so much fellow G-Body owners. Everyone's advice will be used.
 
Fel-pro makes a great one piece gasket for the sbc, they have three different ones depending on dipstick location. I have used them with great success. However ANY sbc oil pan gasket I've ever used needs silicon on the four locations front and back a.k.a. "the corners". I always use grey silicon on all four spots. Here is the best picture of the gasket type
fel-os34510t_w.jpg

Just make sure you know if yours is think or thin front seal, this one is thick and also has either d/s or p/s oil dipstick position
 
84cutspreme said:
Fel-pro makes a great one piece gasket for the sbc, they have three different ones depending on dipstick location. I have used them with great success. However ANY sbc oil pan gasket I've ever used needs silicon on the four locations front and back a.k.a. "the corners". I always use grey silicon on all four spots. Here is the best picture of the gasket type
fel-os34510t_w.jpg

Just make sure you know if yours is think or thin front seal, this one is thick and also has either d/s or p/s oil dipstick position


x2.. used this as well on mine...no leaks, 3 years now. Great product. Use silicone in the corners.
 
I've always used fel-pro oil pan gaskets. They are great, never had an issue with them. As for fel-pro valve cover gaskets, not so great.
 
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