Thread: Open cone intake clarification

Originally Posted by Bio248

i believe that they arent trying to disprove what you just said, but to say that certain intakes become a restricting factor, similar to sucking through a straw.

Originally Posted by mechguy

^ Now we are getting somewhere. I bet they did this testing on a flow bench, as opposed to on an engine while using a pitot tube. That is the only explanation I can think of.

Yes, the ran it on a flow bench, where Stock GTP throttlebody with screen rated 107 CFM.

Well I went and did it. I basically followed the write-up for how to do it thats stickied on the forums here. And yeah the blower whines considerably louder lol. Which is totally cool with me. Does the whine get louder and/or higher pitched when dropping pulley sizes?