Ive got a sbc 400 and I want to mount a 750 cfm holly. My buddy says it wont work because the cfm is to high. I say the 750 is a max and because its ran with a mfuel pump it should be fine. What do you think? THe 400 is stock with a fresh rebuild and maybe 600 miles on it.
Please help asap!!!

Jetted properly it should be fine...I ran a 750 on my 400 years ago.