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One of my other engines is a 426 marine block. When I put this motor together I used 383pistons and 440 connecting rods in it being it is the same bore . So now I'm told that the pistons set low in the cylinders and I probably only have about an 8 to 1 compression. I don't remember how low they sit low compared to the originial 426 pistons. Is it possible to use a very thin set of head gaskets to make up for some of the difference in the piston height to get the compression higher? I don't want to get into shaving the heads. Just an idea.
Thanks, Alex
8:1 with what heads? If you are running the stock 516's I doubt it would be that low. With 906's I'm guessing it would be close. I would think a set of 915's would be a good option. Again not running the numbers, just guessing.
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