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Old 10-10-2012, 09:35 AM   #44
Hornung418
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Join Date: Dec 2010
Location: Bel Air, MD/ WVU
Posts: 1,012
My Ride: '04 MB ZHP
The head is the most restrictive part of our engines, no matter the displacement. Just a simple polish of the OE head castings can improve the flow and increase torque and HP. Why is this hard to understand?
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