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Old 05-11-2006, 02:03 AM   #24
Scooby Newbie
Member#: 50829
Join Date: Dec 2003
Location: So. Cal

When you cut your valves and seats the valve will sink in the head, reducing the valve to bucket to cam clearance. The base circle on the crower with smaller base circle is at .025 smaller than stock.

Cobb does not do there own CNC porting, Mike does it.
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