Intake Question

[sgarrelts01]

I am swapping over to carb and i don't know to much about Carb intakes.

Which one of these is a better intake and why

Edelbrock 71211 - Edelbrock Performer RPM Intake Manifolds - Overview - SummitRacing.com

Edelbrock 7521 - Edelbrock Performer RPM Air-Gap Intake Manifolds - Overview - SummitRacing.com

what kind of HP difference is between the 2.

 

[BaBysARM]

i personally like the Parker Funnel Web

 

[earleys94gt]

I'd go with the Air Gap.