I HAVE AN LT1 383 THAT IS ALMOST BRAND NEW AND HAVE WATER IN MY OIL. RUTRO!! NOW MY QUESTION IS HAS ANYONE EXPERIENCED WATER JACKET BREAKTHROUGH OR ARE HEAD GASKETS A MAJOR ISSUE WITH THESE MOTORS. IT HAD FEL PRO GASKETS PUT BACK ON IT WHEN IT WAS BUILT BUT NOW I HAVE BOUGHT A SET OF ALL COPPER THIN GASKETS FROM SCE OR SOMETHING. IF ANYONE HAS EXPERIENCED THIS ANY HELP WOULD BE APPRECIATED AND IF I NEED TO PRESSURE TEST THE BLOCK I GUESS I WILL BUT THE REASON I AM ON HERE IS I INSPECTED THE CLEARANCING FOR THE ROD THROWS AND IT DOESN'T LOOK AS THERE WAS ANY BREAKTHROUGH.

 

I have limited experience with copper gaskets. But as I understand it they are not good for street engines as they tend to have poor water sealing qualities. Like I said, I am not very knowledgable about copper gaskets, that's just what I heard.

Rich Krause