During my minor modifications: Borgo 10.4 piston, 45/41 oversized valve, Shankle level 4 Cam, Weber 40 DCOE rejet, Exhaust header. My mechanic suggested to replace intake cam with the 75's that he quoted has higher lift. That made me unslept since none in my group ever do that.
Please suggest !!!!Or I should consider the mail order "International-auto parts" ??
Thanks,

Please suggest !!!!Or I should consider the mail order "International-auto parts" ??
Thanks,