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Mac
2025-06-11 10:04:49
Wired how they packed the gaskets into these huge boxes. These are thin COATED gaskets. DO NOT USE ANY SEALER. These work great if your block and heads are finished correctly. These gaskets add compression by a thinner material. About .020 compared to Stock. If your pistons are decked at zero, a stock 360 goes to about 376 displacement.......just from a gasket!!
Jim Engel
2025-05-08 18:51:44
I've seen a few reviews of these stating they leak. I can now confirm without a doubt that they do in fact leak.Block and heads were prepped. After finally getting this engine fired up I noticed coolant weeping from the back of the engine, at first I thought it was the intake gasket, but after pulling that off and re-sealing the leak continued. I pulled the intake again to find a frothy mess. Awesome.....let's tear down the engine to a short block while in the truck. Sure enough, the head gasket was leaking, the entire surface was wet with coolant. So that means pull both heads since i'm sure as heck not going to do this again. yep, same thing on the other head. Pony up for some Cometic's and no issues. This is my fault, I went the cheap route and paid the price. Multiple purchases, and I get to tear down a new engine. Never ever again will I buy Mr Gasket products.
Papa George
2025-01-18 13:35:50
Thin gasket. originally 9:1 to 9.5:1.
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