1974 Pontiac Trans Am 455 - Firebird Family Affair
Under the cloak of a stock 455 lies a 465ci engine with 10:1 compression, a hydraulic roller camshaft, ported 4X cylinder heads, port-matched intake and exhaust manifolds, and a modified Quadrajet carburetor. The combination churns out 380 hp and 464 lb-ft of torque on a chassis dyno.
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