ATI = Seperate periodic oil change required for Blower, no oil circulation through Blower to help remove latent heat, more parasitic losses in gear drive due to running in oil bath, more parasitic loss in induction path due to longer required Air/Air intercooler intake runs.
I do agree, though, that the ATI appears to be a simpler installation (having installed my Vortech myself, I know exactly how much of a PITA it is). Besides not having to drill the oil pan, you don't have to relocate the Alternator, P/S pump and ABS modulator.
However, once they're installed, I think there's little measurable difference between the Vortech and ATI.
The Magnusson is a different beast altogether, arguably superior for all around driving. You need to keep the RPMs up with the Centrifugals (just like a Turbo) to get usable boost, not so for a Roots type like the Magnusson. If you don't mind havng to deal with the high-rise hood, the I/C Magnusson is probably the better choice (cleaner installation and better low-RPM performance). At the time I was shopping for a Blower (end of last year) I didn't like any of the high-rise hood options and the Magnusson wasn't intercooled, so that option wasn't open to me. I still don't like the hood choices, but at least they got rid of the no-I/C problem!
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Now, Vortech powered!
_________Click for details_________
Now they have the CARB approval also. (Mag) I now like the Garavaggio hood..........no water issues and it looks like the original hood with an attitude.
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Last edited by Sanford : 07-06-2004 at 05:37 PM.
Reason: I spelled Garavaggio wrong
I wasnt too sure about changing my hood either, at first. Then I saw the ACI hood for the Mag and I liked it. From the side, you can barely tell it's real hi rise. From the front, you totally can, but I think it looks pretty bad ass without being too over the top like some of the other ones I've seen. It really doesnt take away from the lines of the car.
The Magnuson has a 36,000 mi warranty - when you are just cruising around town, the system is basically switched off. It's like a normal Z06. But when you get on it, watch out.
Glad to hear all went well NW. I would love to hear the engine @ WOT with the mag.
After a slow start waiting for the hood to arrive things are starting to come together for me now, my MCM hood was installed two weeks ago and I am waiting for Chris to get me in the shop. Looks like Monday I'll be taking it to ECS. Being patient is taking its toll on my nerves. Soon... very soon.
[i] There all good as far as I can see or read about its all personal Preferences. I will lean on the installer I chose I will have to ride with NW, PDADAD, BP fox then I'll choose
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they're all great......they all get the job done.....it's a matter of preference.........jimmy 
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