Originally posted by DemonSVT:
If you are capable... KEY WORDS!!!
You can build a very good 3L for about $1200.
...oh yeah...
You can not call it a turbocharger...
Electric supercharger would be correct and for 2k plus for very limited use, only WOT, and an IMMENSE task on the electrical system it's definitely NOT worth it.
They are running 3 gear reduction starter drives. That's 300-400 amps of sustained current draw!!! You'd need to add a couple deep cycle batteries to operate it properly.
I wonder how it effects the PCM and ignition system to spike everything like that???
Also your voltage would drop as well. For instance a single 100amp starter drops a 500cca battery to 10.5 volts under load.
How long would the alternator take a load 2 to 3 times it's max limit?
BTW - 405cfm would produce about 220FWHP on a "boosted" 2.5L engine.
300cfm NA = 165FWHP (stock SVT)
500cfm boosted = 275FWHP (SF turbo)
All very valid points.
However, I read through the page and for the money you get 2 or 3 batteries that need to be recharged.
There is an alternator/battery cutout to save your electrical system when you kick it in so most of those are solved. I think it runs on 24 volts too. That is how they get the power and not blow up the car. The batteries have to be recharged for the fun....and what happens when the batteries wear out? I imagine they cost a small fortune to replace. It seems like a logical system and it would be fun to own, bling bling and all; but why? A turbo adds about the same or less weight and has no parasitic load and very little efficiency loss in the exhaust.
A turbo without an intercooler with about 4-6 psi will make more power, probably be safe and only cost around 2K-2.5K dollars.
Tom
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