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Post by chanito on Apr 23, 2005 15:03:24 GMT -5
 See, i wish we could get this numbers to match as everybody states that the FI 4valve head is more powerful than the carb two valve head, however the italian magazine motociclismo, said that the carb makes more power, but the FI has more torque at lower rpms, and they dyno the thing, also the german site confirm this, i remember when they make a crossflow head for the inline 6 cyl nissan in the 280, it made less horsepower but a lot more torque in the bottom end, the SCCA banned it becouse the power potencial, so they stopped development. The fuel injected system is a closed loop system (it has an 02 sensor and a catalist, just like your car) so i would think they went for fuel conservation rather than power, and that would explain why they do not used in Japan, Abe i thing the power advantage is to us 1/2 hp, but the 4 valve head and FI shure looks promising 
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