383/496 6 pack Build
On the cam I was not at all happy with the purple shaft .509 on either the 340 six pack in my cuda or the 440 six pack on my dads GTX. We switched to the Performer RPM cam in both and are very pleased. I have the Summit cam -.466/488- in my 383 Duster and in my friends 440 in his '70 Charger and they runs great and have good street manners, but pull hard in the upper rpms too. Just depends if you want to drive it to cruise nights or just a strip car.