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Testing GM L92 And LS7 Cylinder Heads Intake Plenum

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Testing GM L92 And LS7 Cylinder Heads Intake Plenum

Testing The New GM L92 Cylinder Heads - 550 hp for Under $4,900
This is the plenum area of the new GMPP intake manifold. Most modern single-plane intakes tend to extend the port-runner dividing walls into the plenum area. This manifold does not. We might experiment with this to see if there is some power hiding in this manifold. View Related Article
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