The answer is yes! Had him burn a Diablo for me and he nailed it! If it weren't for the belt slippage up top, I'd easily be 500 and 500. Gonna have to order the RR no slip pulley and go for that 500 hp. I think when you're spinning the blower this hard, you NEED a non slip pulley or you gonna slip regardless or what idler bracket setup you're using. The red run is with th 2.8 upper and 6 lb lower, the blue run is with 3.0 upper and 6 lb lower. Obviously it helped with slippage but still slipped quite a bit! If you want the combo, call Pete!!
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