dual or single plane
11-02-2007, 08:32 PM
#3
D.R. THE PATHETIC DORK
Join Date: Jun 2007
Location: West Virginia
Posts: 30,863
RE: dual or single plane
It really depends on your combo and power band of your cam.......but for a mild build a dual plane is best for a 302/306 to make low end and mid power which is where the 302 needs it....for a stroker a single plane will yield you better results....I have a rpm air gap on mine and decided to switch to a victor jr and it didn't wake up until 4000 and died at 6500 where as the dual plane hauled ace from 2500 all the way to 6700......so match the power band of your cam to the intake and you'll be fine... I also lost et with the victor jr so I switched back and all was good!!!
11-02-2007, 08:43 PM
#7
D.R. THE PATHETIC DORK
Join Date: Jun 2007
Location: West Virginia
Posts: 30,863
RE: dual or single plane
well without knowing the specs on the cam it'll be hard to make a accurate stab but I'd say go with the rpm dual plane intake...as a victor jr single plane intake is from 3500 to 8000 I believe and an rpm is from 2500 to 6500....which is where you'll be most of the time
11-02-2007, 09:29 PM
#9
6th Gear Member
Join Date: Apr 2007
Location: California
Posts: 10,468
RE: dual or single plane
You NEED a dual plane, unless you have huge heads and a cam, then you'd need more gear. That 750cfm carb, if this is a street engine with street heads/cam, is way too big. And when you run a single plane intake you need a smaller carb because of the dynamics of how everything works on a carbureted car. If you put a single plane on it, it's gonna be a dog until around 4-5,000rpm, you'll never get enough velocity in the venturis to generate adequate metering signal and fuel sheer. Weiand's new Action Plus, or an Edelbrock RPM would work a lot better, they'll all operate well from the idle-6,500 range depending on how everything is matched. The Weiand intake favors a lower rpm range than the Edelbrock RPM does, but it'll still pull out to 6,000+ without falling flat