blower pulley calculator/info

[Rodeheavers]

http://www.928motorsports.com/services/selectingpulley.php#Measure_Your_Pulleys

[RYEKNOW]

Tim maybe this is why that pulley change didnt show a boost increase on the gauge?Maybe the motor is doing all it can do?...Giving me something to think about now...$$$$ I hate when that happens