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Old February 13th, 2014, 12:27 PM   #21
Racer x
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Name: Eric
Location: Iowa City
Join Date: May 2009

Motorcycle(s): 2008 Kawmeracchi 350 2010 Project X

Posts: A lot.
Blog Entries: 54
MOTM - Sep '18, Feb '16
This is the number I got for the intake can centerline.

+10° Opening Before Top Dead Center(BTDC)

+34°Closing After Bottom Dead Center(ABDC)

+180°Distance from (TDC)to(BDC)

=224° Total Duration@.050 inch of lift

224°/2=112°

112°-10°=102° lobe center

I will recheck this a couple more times but I think it is good. Now we move to the Exhaust center line
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