on the 90° small block adapter is a cork gasket in the center. In your case i'm not sure. But the rules are: the oil is running into the filter through the outside holes and exit through the center hole. if the middle is not sealed, the dirty oil can bypass the filter.Searched but couldn’t find my answer. Shouldn’t there be a gasket or washer between the center piece and the plate?View attachment 1715451685
Depends on the year of the block. Magnum blocks are a different off set. They can be identified by having 6 holes instead of 4.Early are 4 holes and take a inner and outer or they make a gasket that is connected like a wagon wheel. You can see on the pictures below they inner and outer are the same height. Be sure to have the holes milled to the larger diameter as seen below for a high volumn pump and use a Wix filter or NAPA gold. Many oil seeps are caused at the outer gasket by not doing this when twisting these motors up with thick oil. Just something we do.
And don't leave rags under the intake like the last guy that came here.
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That plate you have there will not work on an early LA motor 273 , 318, 340, 360. That is for a later magnum , race resto or R3Searched but couldn’t find my answer. Shouldn’t there be a gasket or washer between the center piece and the plate?View attachment 1715451685
That makes sense in that you could rotate the adapter and keep the gasket centered, funny thing is that is the exact setup that always leaked and I just used a std. gasket to cure it. I also noticed the new adapters come with std. gaskets.The wagon wheel gasket is for the offset oil filter adaptor. The other gasket is for ur flat plate. No Center gasket. Kim