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New blocks require over 35 man-hours before they are capable of meetingRCR's expectations. New blocks are never raced. They either serve dutyas a dyno mule or a test engine to make sure it can hold up before it istrusted as a race block.
How They do it in the Big Leagues

New blocks require over 35 man-hours before they are capable of meetingRCR's expectations. New blocks are never raced. They either serve dutyas a dyno mule or a test engine to make sure it can hold up before it istrusted as a race block.  View Related Article