Thank you for the feedback. The original supercharger pulley has a factory seal that voids the warranty if removed. I'm not concerned about the warranty, but rather if tampering with the engine will cause the car to lose value. Or on the other hand, if an upgraded Saleen would have an upgraded value. Or if people view an add on like this as no big deal, as the internals are all intact. Opinions?
Based on what I read on the 2005:
Supercars.net: "The supercharger used in the 2005 S281 SC is an all-new innovative design, which Saleen has several patents for. Called the Saleen Series VI integrated TwinScrew supercharger, the Saleen design integrates the previously separate intake manifold, blower housing/assembly and intercooler into one compact unit that nestles neatly into the valley between the heads. This allows for a much wider intake manifold. The blower assembly contains twin screws, which push 2300 cc of air per rotation versus 1600 cc for last year’s supercharger. As a result, the supercharger turns slower for equivalent boost, producing lower stress and lower air charger temperatures."
Mustang360: "When testing the first Saleen S281, we were surprised to see the system developed just 3.5 psi of boost, but according to Spruill, that's all Saleen needed to reach its goal of 400 hp. "We had an expectation of output, and the efficiency of the design allows for a lot less heat," he says, "so we are able to reach the performance goal with less boost. The kit is designed to make 4 psi. It would have taken a lot more boost with older designs to accomplish that level of power."
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