Chevrolet Corvette Z06 Cylinder Heads
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One of the more obvious differences in the LS6 head is the combustion chamber. A stock LS1 head (right) has a 67cc combustion chamber, compared to the 63cc chamber in the LS6 heads (left). This provides an increase in compression from 10.1:1 to 10.5:1, thus improving thermal efficiency. s View Related Article
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