With an under drive pulley you don't gain HP, you loose less.
Driving the secondaries (A/C, Power Steering, Water Pump and Alternator) uses up some HP.
By under driving (running slower) you loose less power.
Happy Plrscheing
Pedro
Pedro Bonilla1998 Boxster 986 - 311,000+ miles:
[www.PedrosGarage.com]
PCA National Club Racing Scrutineer - PCA National HPDE Instructor - PCA Technical Committee (Boxster/Cayman)
Racecar spelled backwards is Racecar
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