Low compression 440 dyno test

Babyblue66 said

I'm not sure when they went to the dished piston. I had a 73 440 and they were flat top. The dished motor would be about 7.2 with a felpro.

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I don't think 440 ever had a dish piston. I just commented on mine being lower compression because of uncut head and thick gasket. Again, thanks for sharing! There's hope for my slug yet.