Engine Build - How To Build a Budget Street Machine:
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Our goal was 9.0:1 compression, so we spoke to the Mopar specialists at Hughes Engines for advice; they ran our combo through their computer to determine mechanical compression ratio versus cam timing to deliver a goal of 165-psi cranking pressure. They milled 0.070 off a set of 596-casting heads we provided to achieve chamber sizes of 51 cc's. While Mopar Performance offers 0.028-inch gaskets to increase compression, the Hughes combo would deliver about 9.0:1 with regular 0.041 gaskets. View Related Article
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