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Old 06-06-2013, 09:37 AM   #5
KCS
 
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Drives: 2000 Pontiac Trans Am
Join Date: Jan 2013
Location: Houston, TX
Posts: 74
Something to consider is the increased heat. You get a twofold effect from the increase in rotor speed and also from more boost pressure. We see the IAT2's skyrocket as we speed up the supercharger, especially as the boost gets over 10-13psi. Power falls off hard as the blower heat soaks from hot lapping or just "spirited driving" around town. Typically, we recommend paying some attention to the intercooler to keep everything cool as the boost is increased. We've seen as much as 40whp gains from our ice tank and heat exchanger on cars with the 2.5 upper and 10" lower pulleys, and the power doesn't fall off nearly as bad after back to back runs.
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