MotorTrend

Iron LS1 5.7L Dyno pull inside the dyno control room - hitting the rev limiter. 456hp

One of the tuning runs for our leftover LS1 iron 5.7L LS engine build. This was with the upgraded Fast 92mm intake and we ran it up to the rev limiter. Later we raised the limiter a bit and squeezed out a couple more hp.

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