1979 Pontiac Trans Am And More - Tech Q&A
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Under a mess of stamped steel and rubber lies a code-PWH T/A 6.6 engine. The $90 option gave owners a 400 with increased compression, a unique camshaft, and a dual-muffler exhaust system. The mill was rated at 220 hp and would produce mid-15 second quarter-mile times. Simple carburetor and distributor modifications, opening the Shaker, and the addition of a high-flow exhaust catalyst could drop that number well into the 14s. Sharp eyes may notice the chrome valve covers-a T/A 6.6 exclusive. View Related Article
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