Quote:Quote:Quote:Can be done. 426 guys make 900 -1000 with stock heads. Are Preddys better than S/S hemi heads? They're about the same at around 480 cfm. But SS/AH heads need to retain stock valve angles and valve sizes! Then there's the small chambered Stage V Millennium Hemi heads that will flow 530
Quote:Quote:Can be done. 426 guys make 900 -1000 with stock heads. Are Preddys better than S/S hemi heads? They're about the same at around 480 cfm. But SS/AH heads need to retain stock valve angles and valve sizes!
Quote:Can be done. 426 guys make 900 -1000 with stock heads. Are Preddys better than S/S hemi heads?