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Old 09-03-2013, 06:29 PM   #65
cameron110 OP
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Joined: Jan 2005
Location: C-ville, VA
Oddometer: 477
Originally Posted by disston View Post
Some cylinders have longer spigots or some cranks have bigger throws.
Originally Posted by Lornce View Post
All the 500cc through 1000cc cranks are dimensionally identical (except R65 and R45 which is it's own animal). I promise you, there isn't a counterweight clearance issue.
I didn't compare cranks today, but I did measure some spigots and surprisingly I found the opposite of what I was expecting. The spigots on the /5 jugs were a few mm longer than several nikasil cylinders which I measured. Now that you have that information logic will lead you to conclude what I found which is that with a 1970 r75/5 block and crank I have no clearance issues with the length of spigots on a pair of 800cc nikasil cylinders.
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