Intake Flow Numbers ?

Markus

Member
Feb 29, 2004
238
2
19
germany
Hello guys,

in the next days i start with a new project.
At the moment i have a gt40 tubular multi point efi on my 331. Now i convert to a msd atomic efi
tbi. I use for this a weiand stealth intake manifold.
In the past i thought that my gt40 lower intake was the bottle neck.
Do anyone know the flow number different at this two intakes out of the box?
I´ll port match the intake to a felpro 1250s3 and my afr185.

thanks

Markus
 
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I couldn't give you flow numbers, but I can pretty much guarantee you that the Stealth intake won't be a bottleneck. It's well-known as one of the highest flowing dual-plane on the market and should carry your 331 to 6500 or so with no problems. A magazine dyno test showed it making more power on a 302 than Weiand's single plane XCellerator from 6,000rpm up.

http://www.carcraft.com/techarticles/ccrp_0901_ford_boss_302_crate_engine/viewall.html