some numbers posted by Hot Rod a while back. These may be interesting to somebody.... :)
- Stock 360 2bbl intake - average 238 cfm's
- Edelbrock RPM intake - average 255 cfm's
But you can't take "CFM's" to the bank and expect to CA$H in.... Runner shape and design will be mighty important to how the engine performs. But for the sake of CFM's, you can see that with some thought and porting, the 360 2bbl could be a viable intake for a 318. I can tell you, we set up a 318 with a 360 2bbl intake and carb, dual exhaust and all else stock. Pretty amazing. I'll just say it was the "fastest" 318 2bbl I've ever driven :)