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Comments from Field Testers:
Chad D - Orlando FL
2001 Nissan Frontier 4x2 KC, auto transmission
Modifications:
- 200lbs of stereo equipment
- Pulley Boys 2.3 SC pulley
- Larger injectors
- Cat back dual exhaust with a Dynomax muffler
- JWT Pop Charger (kn cone) intake
2.4 pulley;
The boost is hitting 10lbs barely at max rpms under a load. (The average boost is around 8lbs) People kept telling me that I was going to have detonation problems, and that the supercharger was going to blow up but I run the shit out of it and have no problems.
2.3" pulley;
My tires spin easier than before, the 2.3 pulley holds 10lbs and hits 12
Jeff K - Ashland OR
2001 Nissan Frontier, auto transmission
Modifications:
- Pulley Boys 2.4 SC pulley
Burning one tire around a slow corner is easy now. Overall power is better, no problems.
Koichi O - Seattle WA
2001 Nissan Frontier CC SC 4x4, auto transmission
Modifications:
- Pulley Boys 2.3 SC pulley
- K&N Aircharger intake system
Comments:
My truck NOW REALLY feels like a SuperCharged Truck! The original belt is fine, I don't have any problem with slippage. I have almost 7K miles on the pulley and the truck has NEVER run better. I am seeing 12lbs psi and my truck runs rock solid.
Comments from the Pulley Boys:
Measurable boost is dependant on many factors, including but not limited to; modifications such as air intake, exhaust, cam (with rockers, pushrods and springs), temperature, barometric pressure and altitude etc. We suggest at the minimum to install a custom air intake and a boost gage when running any overdrive supercharger pulley. The Ø2.4" pulley will produce 9 to 11 PSI and the Ø2.3" runs 10 to 12 PSI.
RPM levels:
Ø2.4" = 13750 sc rpm @ 5500 engine rpm
Ø2.3" = 14348 sc rpm @ 5500 engine rpm or 14000 @ 5367
No dyno results are available, but our beta testers love the Ø2.3"!
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