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#6 |
VIP Member
Join Date: Dec 2001
Location: Arkansas - In the middle of everything.
Posts: 2,001
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The advantages of the 50mm cams are 1) larger base circle so the profile can have more detail, 2) cam companies have some body of experience/knowledge with these dimensions since Pro Stock and NASCAR have been doing this for decades, 3) roller bearings are readily available for this size. There are also some 65 mm cams running around in American auto racing arenas for very specialty applications.
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