Quote:
Originally Posted by 86TOYO2k17
With E85 you should be able to use the 70mm pulling no problem. If pump you may find the 72.5mm to be a better fit
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I think I will go with the 72.5 as there will be times where I will want to run 91. There is what 10-20whp difference between pulley? But I will talk with Mike and kinda see what he thinks.
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2013 Series 10 FRS #553
RCE T2's, SPC LCAs -4/2.6 camber
JDL 4-2-1 EL, FP and OP, Tuned by Zach@CSG on e85
RR Wilwood Front/Rear Sport BBK, Motul 600 Fluid
ARC-8 17x9 SX2 GTs 245s/Koing 17x8 v730's 225's