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Old 11-25-2019, 02:34 PM   #1
Drives: 2012 Camaro ZL1
Join Date: Nov 2019
Location: Texas
Posts: 1
super charger pulley size combo

Im new to the forum, i have a 2012 zl1 and looking at different pulley sizes. Currently im running a 2.35 upper pulley and stock lower pulley. what do yall recommend for the lower pulley? im trying to get as much power out of the supercharger as i can. or is there another upgrade somone recommends?
here is what i have done to the car:
4 roto fab intake
tsp 1 7/8 long tube headers
corsa catback cat/resonator delete
tsp stage 3 cam
tsp pushrods and valve springs
KB boost a pump
ID 1050x injectors
lingenfelter 160 degree thermostat
DSX flex fuel kit, e85 sensor
Reinforced supercharger brick
Lingenfelter High Capacity Intercooler Heat Exchanger
supercharger ice tank
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Old 11-25-2019, 11:51 PM   #2
RobZL1's Avatar
Drives: 2014 ZL1
Join Date: Aug 2017
Location: ATL
Posts: 481
I'd go with an 8.66 lower, or do 9.17 but also step up to 2.45 or 2.55 if you do a 9.17. You could also step up to a ported blower next or ported heads.
2014 Red Hot #1503 | TBD SAE | RotoFab | 28% OD | GP Tuning 2.5 Cam | 1-7/8 LT's | JMS BAP | ID850 | TR7IX | MSD Wires |
APEX Catch Can | JRE Breather | Monster LT1-S Triple | C&R HEX | RotoFab Res | Racing Brake Rotors | Self-Tuned w/ HPT
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700whp, pulley, supercharger, zl1

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