Thread: FHT poject
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Old 08-03-2007, 07:50   #3 (permalink)
CIH racing
Cycle Imports Hawaii
 
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sorry so many pics, just helps to cut down on the questions. I have more pics but not so great. Also i am in the process of pulling that engine in favor of a SMC 50cc engine that i clearenced out for the FHT crank. As of those last pics, i originally used the SMC 100cc cases that already come clearenced for a larger crank. The thing with the first engine ( 100cc cases) is that the clearence from FHT crank to case was over 2mm diameter. I figured that the low cas preasure would be ok, but as of now the engine revs too high ( 14,500 or more) and i want there to be more torque. So i am now going in favor of the 50cc cases clearenced to a .5mm diameter around the FHT crank. I will post new pics of this case soon. Its already done, just needs to be installed. I did a special trick to only clearence enough for the rod bottom end. So its like a chanel now and keeps the case preasure higher. We'll see how it runs shortly compared to the current engine.



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