Port-o-sonic or Holley Street Dominator?

75slant6 said
I also thought about using a performer rpm and an air gap, but figured the single planes are going to be easier to install the injector bungs in the runners.
I also currently am running a China-gap knockoff intake and originally my plan was to just use that intake, but I’ve read multiple reports of the knockoff giving up 20-40hp to the Edelbrock Air-gap, depending on the engine configuration.

One advantage I thought of, between either air-gap intake vs the single planes is the cooler intake charge and since it’d be efi, there wouldn’t be any cold weather drivability issues in the winter.

Pro’s of the single planes over the air-gaps is obviously the runners being same height for bungs and also hood clearance.

Pro’s of the China-gap, I have it. Lol

I wouldn’t go to war with the thought the air gap is 20- 40 horse better than the crosswinds type.
that’s insane.
I owned an enginemasters entry…477 horse stock stroke 318, iron magnum RT heads little over 10 to 1 compression.
it sported a trick hp 950 carb and the Chinese knockoff air gap.
I ran it detuned( much smaller cam) still went mid 11’s at 115+ in a 3400 pound car. 230-238@50
there are intakes that might show as big of a change/ gain as you are talking about.. but airgap to airgap on a mild combo like you have…I would be shocked it the difference( if any) was 5-8 horse.
the enginemasters guys( mighty sharp) must have agreed with me
people say wild stuff like that, lol

Iron-Headed Mopar 318 Magnum Engine- Popular Hot Rodding Magazine