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BlackFly · 08-08-2001, 12:23 AM

i think its hard to calculate the cc's on stock piston releifs because of the .030 dish in the center of it. 5-7 sounds pretty close, i've installed flat tops for a 306 that had releifs measuring 8 cc's and they were a little bit deeper than stock.

08-08-2001, 12:23 AM	#3
BlackFly Registered Member Join Date: Feb 2001 Location: winnipeg , manitoba , canada Posts: 83	i think its hard to calculate the cc's on stock piston releifs because of the .030 dish in the center of it. 5-7 sounds pretty close, i've installed flat tops for a 306 that had releifs measuring 8 cc's and they were a little bit deeper than stock.