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Thread: variable vane turbocharger

  1. #1
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    variable vane turbocharger

    Came across this on sypderchat. Interesting performance mod for many kits? Quick spool, little or no lag?


    http://aerocharger.com/kits_pontiac_g8.php

    http://www.youtube.com/v/1trhsQftOMg&rel=0&color1=0xb1b1b1&color2=0xcfcfcf& hl=en&feature=player_embedded&fs=1"></param><param name="allowFullScreen" value="true"></param><param name="allowScriptAccess" value="always"></param><embed src="http://www.youtube.com/v/1trhsQftOMg...embedded&fs=1" type="application/x-shockwave-flash" allowfullscreen="true" allowScriptAccess="always" width="425" height="344"></embed></object>]<object width="425" height="344"><param name="movie" value="http://www.youtube.com/v/1trhsQftOMg...</param><param name="allowFullScreen" value="true"></param><param name="allowScriptAccess" value="always"></param><embed src="http://www.youtube.com/v/1trhsQftOMg...embedded&fs=1" type="application/x-shockwave-flash" allowfullscreen="true" allowScriptAccess="always" width="425" height="344"></embed></object>[/url]

    http://www.youtube.com/watch?v=1trhsQftOMg
    White Fugazzi Bentley Supersport Convertible GTC

  2. #2
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    Re: variable vane turbocharger

    Anyone else look into this? Seems like a great performance upgrade route.

    Aerocharger makes the 53 and 66-series self contained variable vane turbo. Self contained meaning you don't need to run oil or water lines to it. They sell the special oil for the turbo at $12 a bottle, but if you show them your setup and explain it breifly, they'll send you the oil free of charge. It also uses a internal Variable vane actuator which means you don't need a wastegate. Also no need for a boost controller or even a turbo timer. That already cuts down on fabrication and extra parts. The Aerocharger 66-series isn't cheap at $2500, but then again, how much is something like a Rotrex supercharger. It also has ceramic ballbearings. If you already have a welded turbo manifold, the turbo flange can be cut off, and a new one welded onto it to accept the Aerocharger. Aerocharger sells stainless steel flanges too. Adapt a Aerocharger outlet flange to your intercooler pipe, or fabricate a new pipe, and the rest of you setup should be just fine. That means it's no more difficult than putting together from scratch, or adapting your existing setup, than any other turbo kit. Would probably be even easier as you don't need oil and water lines. Tuning is just like any other turbo setup. The ECU doesn't need to do anything special like triggering the variable vanes as it's being done by the turbo itself, so you'd just need to tune for boost as with any other turbo setup, albeit you'd be tuning from lower down the rev range. So yes I would say that it's pretty straight forward.

    Aerocharger has been testing a twin turbo 66-series variable vane turbo kit on a Pontiac G8. It's been running for 18000 miles, making mild boost at 1100 RPM and full boost by 2000 RPM with absolutely no lag. They say it's the world's fastest stock internal G8 in the world. http://aerocharger.com/kits_pontiac_g8.php

    House of boost video on Aerochargers web site had it on the drag strip at 14PSI and ran 11.10 ET at 130 MPH. On their dyno at 14 PSI the stock rear wheel horsepower went from 297 RWHP to 635 RWHP, and torque went from 310 to 671. http://www.youtube.com/watch?v=1trhsQftOMg


    "A cavity is built into the front portion of the compressor housing. A specially formulated high-speed bearing oil resides within the cavity. This oil is transferred to the ceramic ball-bearings via a pair of wicks through which a mist of oil is drawn to lubricate the bearings. Due to the fact that only a light mist of oil is lubricating the bearings, as apposed to the bearings being flooded, the amount of drag on the bearings is significantly reduced. Low rolling resistance coupled with a low-mass rotating assembly and VATN technology is why turbo-lag is virtually non-existent with the Aerocharger®. This also eliminates the need for a turbo timer as the bearings are low drag and hot oil cannot cook the bearings like conventional turbos. Therefore hot shut-downs are not longer and issue and a turbo timer is another component you will not have a need to purchase. A further advantage of this self-contained lubrication system is the fact that the turbo is no longer reliant upon being lubricated by the engine itself. There are no high pressure or lines or seals to fail and reduced oil leakage into the engine for low particulate emissions. This also allows for more mounting options to be available for the turbo including both horizontal and vertical installations"
    White Fugazzi Bentley Supersport Convertible GTC

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