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dragracer · 08-04-2001, 10:31 AM

USE THIS TO FIGURE CARB SIZE.
CIDxRPM devided by 3456 then add 10% for good measure.
a 306 spinning @7000rpm = 681cfm using the formula
306 @ 6500 rpm = 633 cfm

08-04-2001, 10:31 AM	#9
dragracer Registered Member Join Date: Aug 2001 Posts: 3	USE THIS TO FIGURE CARB SIZE. CIDxRPM devided by 3456 then add 10% for good measure. a 306 spinning @7000rpm = 681cfm using the formula 306 @ 6500 rpm = 633 cfm