Pontiac Trans Am 455 Optional Packages - Got Torque?
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The D-port 455ci cranked out 200 hp and 330 lb-ft of torque and was no different internally than those used in other applications. It included a cast-iron intake manifold with EGR, an 800-cfm Rochester Quadrajet, and an HEI distributor. In stock trim, a 455-powered Trans Am was a solid mid-15-second performer with plenty of potential. View Related Article
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