I went with the Ripp after researching for the following reasons, not all may apply to you however:
1. Have been around a long time with good reputation.
2. Vortech, the basis of their compressor has years of experience.
3. PRV is set to 8 psi
4. Best cost for entire kit, including inter-cooler
5. Least invasive install - no need to move oil inlet to way in back on opposite side by having to switch valve covers. No need to relocate power steering pump, etc...
6. Single stage of inter cooling - ie. air to air, not air to water to air...inherently more efficient from a thermodynamics view point and no need for a secondary coolant system and another point of potential failure.
7. Not convinced a positive displacement compressor will run as stock unit if the belt fails (how would air get to engine past the compressor lobes?) With Ripp, air easily bypasses the centrifugal compressor vanes in event of belt failure and installation of stock belt to get off trail...
1. Belt replacement takes a bit more work to loosen four mounting bolts to get larger belt back onto pulley
2. ALL superchargers will exhibit some surge when using cruise control
3. Requires use of high octane fuel 91 or higher
4. I found it necessary to tweak the Ripp tune to my application to reduce the surge when in cruise control
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08 JK Red - NV241OR Tcase, Ripp GenII, 3"OME lift and Nitrocharger shocks, JKS F/R adj trackbars, Rockrawler UF adj CAs, Teraflex UR adj CAs, Ruggid Ridge Modular front bumper with M8000, Olympic rock rails and rear bumper, BFG KMs
Last edited by rlanderton; 05-07-2013 at 06:07 PM.