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Old 03-23-2015, 12:21 AM
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Davezilla Davezilla is offline
Motorized Bicycle Elite Member
Join Date: Mar 2014
Location: San Antonio Texas
Posts: 2,710
Default Re: Who's Running the Super Rat?

That is the high pin piston and its for a 38mm stroke long rod geometry... it'll work on the gt5 engines and the super rat is a gt5 based engine with the main difference being the wider intake bolt spacing and the cdi and ignition coil are built into the magneto coil. This is a very nice design for a really clean looking install but the internal cdi is notorious for failing.
Id like to build up a super rat but would want to have a reliable source for spare cdi units before getting one of these engines. If the cdi unit problems have been resolved then this would be a great engine to base a build on.
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