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Old 08-19-2011, 05:32 PM   #39
spo123
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Joined: Nov 2006
Location: North Shore Mass. USA
Oddometer: 713
Eh? You are not a machine shop! Are you?????

I think that IF you attempt to "modify" the ports into the nonport piston, you will have a NASTY surprise "down the road"!
IF you get the machine to run decently, a seizure and or severe vibration (unless triple beam scale balanced) will occur.
PERHAPS I am wrong......won't be the first time....
SPEND the $325 or so and get the correct rings and the correct piston.....get the cylinder bored to match the new piston and go for a ride.
Set the TIMING correctly......or be prepared for a seizure and another top end rebuild......I will not even mention CRANK SEALS and CORRECT carb settings!............Watch for air leaks, as well.
The 360 is a nice motor.......Do it correctly.
Why replace the piston?........Previous seize?..............Nasty bits can EASILY get into the lower end.......Ask my son!
Good luck and I honestly wish you the BEST OF LUCK!
Ride Fast and Safe!
spo
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