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Originally Posted by MNBoxster
Hi,
Generally these are very limited. If driven off the Alternator, there's a limit to the amount the Alternator can produce and there is a Parasitic loss as it uses Crank HP (The Jaguar XK8 Supercharger draws away 70 Crank HP at Peak Boost). For an independently powered one, of course the drawback is the extra weight of the Batteries, seriously negating the benefits.
But add to this the inherent Mechanical inefficiencies and the low amount of boost they're capable of ,and it's not a really worthwhile Mod...
Happy Motoring!... Jim'99
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I'm not advocating the system, I simply thought it was educational for those interested in these types of things. But, to play devil's advocate:
1. The ESC is not driven off of the alternator, hence no parasitic losses. The idea is to use it similar to a Nitrous shot - but one that is rechargeable.
2. I really don't think that 18 lbs of blower + 60 lbs of battery
seriously negates the benefits.
3. The device is capable of up to
6 psi boost.
4. The device installed on a 2.5L 4 cylinder Ford Ranger dyno'd an increase of around 38HP and 50 ft-lbs. Installed on a V6 Dodge Avenger it showed around 75 HP and 114 ft-lbs.
No - I'm not putting this on my Boxster - but
I think it's an interesting mod and might be worthwhile for some.
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