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Old 06-11-2010, 10:47 PM
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bairdco bairdco is offline
a guy who makes cool bikes
Join Date: Aug 2009
Location: living the dream in southern california
Posts: 6,258
Default Re: blueprinting not hotrodding

if it was a spare, they'd come from the factory sealed in a bag, not attached to the engine..

as far as slant head orientation, it really doesn't matter. technically, it should be so the plug is pointing towards the intake port, so it fires quicker.

i think a lot of people use them because of clearance issues, so they can rotate it whichever way so the plug fits into the frame.
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