Tornado
Senior User
Joined: Apr 2004
Posts: 422
Likes: 0
Hrm, just twists the air? Wouldn't a few thin bars in a criss-cross pattern "twist" the air? Or a fast DC fan? I dunno... just trying to think of solid ideas. There's no sense in buying anything that you already think might fall apart.
Senior User
Joined: Apr 2004
Posts: 130
Likes: 0
well...It was late at nite for me when I was ranting.I guess they say it creates a "vortech" effect,spins the air faster through the intake.I am sure they sell alot,but they dont show any actual proof they work.
Junior User
Joined: Oct 2003
Posts: 61
Likes: 0
From: Colorado Frontrange
A device such as the tornado is a waste on a direct port injection engine-how ya gonna mix the fuel air mix when it is already in the cylinder?????-On a throttle body or carburated engine you may see some benefit-Ive run a similar device on my Harleys and it does provide a benefit on them, but you are also dealing with an entirely different intake scenario-short runners and sharp bends-in this situation the addition of turbulence to the intake flow is a plus because it helps prevent the fuel from "dropping out" of the airstream.Gimmick Gimmick 
Freshman User
Joined: Jun 2004
Posts: 27
Likes: 0
From: New Mexico
I recently bought one for my '82 Bronco 351W Motorcraft 2 bbl carb. Since I only use it for in-town driving, I haven't noticed much difference (but I did have to tell my wife it was GREAT, to justify dumping even more money into my Bronco hahahahahahhaha). I haven't tried it on the freeway yet but will let you know after I make my trips fishin and campin this summer. Thanks, Bill
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