with forged pistons, a hot cam, and special cast-iron exhaust manifolds that fed into 2 1/4" exhausts and mufflers that had their baffles removed for improved flow. The Ford Fairlane 427's engine ...
The Roush 427 SRX crate engine ... and forged-aluminum pistons designed to withstand the 480 hp and 500 lb-ft of torque it generates. Another comparison, though, has Ford coming out on top.
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