J John M Guest Jun 19, 2008 #1 can i cross jet the primaries on my 383 mag. with a 600 cfm holley and a purple cam. i want to run a 64 and a 67. anyone benefit from cross jetting?
can i cross jet the primaries on my 383 mag. with a 600 cfm holley and a purple cam. i want to run a 64 and a 67. anyone benefit from cross jetting?
