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View Full Version : Modifying the Piston Threads

JMillar
20-02-2010, 18:36
What can be done to the piston threads that is legal. For example, can we file off the threads and not be in violation of the rules.
Aren_Hill
20-02-2010, 19:11
http://forums.usfirst.org/showthread.php?t=14280

This has been deemed illegal, sorry