Building A GM Performance LSX Engine- The New Rodent
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Our LSX 427 kicked out an impressive 550 hp and 511 lb-ft of torque (STP correction) on the SuperFlow dyno at Thomson Automotive. This was with no tuning or external adjustment; the LS7 controller was simply plugged in, and the engine was run on its pre-programmed tune. We were thrilled with the results, as the performance was achieved with off-the-shelf catalog parts and a by-the-numbers assembly. View Related Article
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