Quote Originally Posted by patrick4588
nope. in stock form, the b16 and gsr head flows within 2 cfm's of each other. alaniz did the test a few years ago. i used to have the chart. but 2 cfm's doesnt mean **** honestly. they are about the same. the gsr has slightly higher compression due to the smaller combustion chambers. the itr is a b16 head with a port job and will outflow either in stock form.

haha i still have to disagree with you. I've had them all. I know the differences. And i'll like to see you explain your idea to Ed @ Balance too.