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LX200 -> RE: X-Charger Discussion Thread (12/20/2007 10:14:21 AM)
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Many combinations with the X.... Cali, HiPo with 3.0 pulley, HiPo with 2.8 pulley, add water injection to the mix.
If you just look at the boost, 6-7 PSI should get you 40% more horsepower, but X inlets temps go up a bit, so figure 30% more horsepower, or 65 or so RWHP. I think this corresponds to what many people have seen with the 3.0 pulley, and put you in the 250-260 RWHP range. This corresponds to probably 290 at the crank or a little more, so essentially GT type HP.
Torque goes up less, maybe 40 lb-ft. BUT... and this is SUPER KEY, instead of waiting till 4500 RPM to max torque, the torque curve jumps to a near max value at 2000-2500 RPM. This means what you FEEL is significantly better than what you would think you would get from 60HP/40lb-ft increase. You are literally jammed back in your seat when you take off from a stop, and when cruising around, there is a lot of available UMPPHHH in the very typical 2000-3500 RPM range. This makes the XCharger a great option if you are looking for streetablility.
Having said all that, if you go 2.8 pulley you probably get to 280+ RWHP, and if you add water injection you will approach 300 RWHP. Both these numbers are higher than a GT. Many people who installed the X have other mods, like short or long tubes, better exhaust, etc, so their base V6 might have been approaching 200 RWHP. I suspect these folks will get to 265-270 RWHP with the 3.0 XCharger.
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