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copbait73 copbait73 is offline
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Join Date: Nov 2003
Location: Chesterfield IN
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At some stage we need to consider these variations are not necessarily done because they are technically superior, instead they are a compromise for the available space.

A rear engine race car of boxer configuration having very little ground clearance running sustained full throttle at high RPM needs to move a lot of gas in very little available space. Look at the size of those primaries.

Still, I see one key feature modern high performance engine builders do not violate, equal length primary pipes.
Old 01-13-2010, 09:50 AM
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