Thread: cast iron intake vs aluminum high rise dyno test( round 2)
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Old 12-25-2013, 02:39 PM
Ventura455 Ventura455 is offline
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Join Date: Feb 2013
Location: N Cal
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Here is something to think about. The stock steel intake weighs 42lbs while the performer RPM weighs 15. You would need to make 27 more hp out of the steel manifold just to compensate for the extra weight.

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