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Racing Valve Seats Cutting

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Cup car head porter Dave Mitchell cut the seats on a set of Ford heads to an early-style Cup car radius design and increased the flow all the way up to 0.700-inch lift, where it was a full 12 cfm up on a conventional multiangle valve job.
Valve Seat Power

 Cup car head porter Dave Mitchell cut the seats on a set of Ford heads to an early-style Cup car radius design and increased the flow all the way up to 0.700-inch lift, where it was a full 12 cfm up on a conventional multiangle valve job.  View Related Article

 

 

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