Big Power, Small Dollars
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Production cast-iron cylinder heads were used. The only difference over stock is the intake valve diameter, which was opened up from 2.19 inches to 2.250 inches to help bring more air into the combustion chamber. Would this engine have made more power with square port heads? Maybe, but who can argue with 694 ponies and an overdriven 8-71 supercharger screamin’ at you? View Related Article
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