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Car Forum / Driving, Maintenance, Tuning / Maintenance and Repair / May 2006Vortec Cyclone
Hi Folks: I've been seeing products like this for a while now, claiming better gas mileage and performance. Funny they claim 0%~35% or something improvement. I guess that protects them when there is a zero percent improvement. But... I took automechanics in my school daze (carburator days). I thought velocity stacks and such were made to avoid the swirling of air-flow and therefore increase the inward flow. Similar to water flowing down a drain, it is slower when the whirlpool starts. I'm pretty sure of this. How can they claim better performance, unless there is some unusually poor atomization in the first place. Humm. Maybe that's how, huh... Harry > Hi Folks: > I've been seeing products like this for a while now, claiming [quoted text clipped - 10 lines] > > Harry I think you probably already know the answer to your own question, but as affirmation.....they don't do what they claim. It's a scam.  SignatureKevin Mouton Automotive Technology Instructor "If women don't find you handsome, they should at least find you handy" Red Green > > Hi Folks: > > I've been seeing products like this for a while now, claiming [quoted text clipped - 19 lines] > "If women don't find you handsome, they should at least find you handy" > Red Green Thanks Kevin. I kinda figured that. I recall now I seen it on TV on some channel! Criminals.. : Hey! You remember those ultrasonic transducers I think JC Whitney use to sell? They'd go under your carburator ports IN the intake manifold I think? I wonder how they worked.. They use to have a great driving computer/cruise control module/ add-on. Thanks! Take Care! Harry > Hi Folks: > I've been seeing products like this for a while now, claiming [quoted text clipped - 10 lines] > > Harry I like when they use the soda bottle experiment to show how much faster it flows when there's a 'vortex'. Last I checked, there's not stuff trying to get out of my intake while the air is going in! D > > Hi Folks: > > I've been seeing products like this for a while now, claiming [quoted text clipped - 18 lines] > > D Hi D: Faster,? You must mean just the velocity, not the speed. If the top of the bottle is open (inverted) and you hold your thumb over the end (downward pointing), and let it go with a full load of water, it will drain MUCH faster if the water is NOT spinning. Start it spinning and the rate of drainage comes to a craw.. Harry > Hi D: > Faster,? You must mean just the velocity, not the speed. If the [quoted text clipped - 3 lines] > and the rate of drainage comes to a craw.. > Harry This particular carny trick was where you take 2 soda bottles and attach them mouth-to-mouth. The bottom bottle is filled with water, and then you invert the whole thing and the water goes 'glug, glug' because the water going down is fighting the air coming up. A little spin on the rig, and the water swirls, leaving a throat where the air can go up. With this setup, swirling the water a little makes a big diff. D > Hi Folks: > I've been seeing products like this for a while now, claiming [quoted text clipped - 10 lines] > > Harry Vorticity in combustion chamber is good for lowering octane requirement of engine. Vorticity in induction system can improve low rpm drivability but at a loss in max output. Vorticity in induction system bears no relationship to vorticity in CC. Squish CCs were developed by Ricardo. Most modern cars use squish or vorticity to create a sort of stratified charge, and to prevent stagnent end gases which are the ones that act as a seed to detonation. BTW, vorticity in CC has NOTHING to do with atomization. Atomization is fully adequate already in FI cars. Even in carbs, fuel was usually adequately vaporized in carb as long as engine was at operating temp. The problem was that the charge would recondense in manifold if gas velocity was too low in manifold at low rpm and high throttle opening (which is, of course, a transient condition). > Hi Folks: > I've been seeing products like this for a while now, claiming [quoted text clipped - 10 lines] > > Harry I stumbled across a guy selling on ebay some sort of 'vortec' gas saving gimmick you put in your aircleaner. He had a LOT of feedback from people who actually kept records of their mileage. His response to all these negs was 'customer did not install correctly'. A lot of others were complaints about paying big bucks and shipping for a little 'fit all' scrap of foil... YMMV. Yea, right... Erik |
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