BENEFITS OF AN RJS SUPERCHARGER
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Improved horsepower and torque. RJS units are set up for 4-5 lbs. of boost for stock engines. A 40/50% horsepower and torque gain
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RJS Superchargers requires fewer engine modifications when compared to other superchargers and turbocharger systems. A simple bolt on installation
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Lower cost to install than a typical supercharger and turbocharger system
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Runs cool air through the intake manifold unlike turbos which run hot exhaust air
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Supercharger's boost occurs at lower RPM ranges providing better driveability versus turbochargers which need time to spool up to provide boost
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Better reliability
RJS SUPERCHARGERS units can be modified to fit all import, domestic, diesel and propane motors used for off-road racing, 4- wheeling, sandrail, dune buggy, drag racing, drifting and other closed-circuit applications.
2006 nissan 240sx kit pictured below


2006 Dodge Magnum 300/Crysler 300 2.7-3.5v-6 kits


1.6-1.8-2.0L Honda or VW belt driven units 6psi
J&D Concepts Dyno Results
1.6L SOHC Stock Engine HP = 70 / Supercharged Engine HP = 102
800CC SOHC Stock Engine HP = 18 / Supercharged Engine HP = 42
2.2L SOHC Stock Engine HP = 92 / Supercharged Engine HP = 128
350CI SOHC Stock Engine HP= 289 / Supercharged Engine HP= 360
These results are actual rear-wheel horsepower at only 4psi of boost. Engine results may vary.
RJS KITS FOR JOYNER SAND VIPER BUGGIES 4-5 PSI OF BOOST * SUPERCHARGED*
2-4 SEATER 1600CC FI, 1100CC FI, 800CC FI AND 800CC CARBURETED SAND VIPERS
COMPLETE BOLT ON KITS AVAILABLE NOW AS SEEN ABOVE, MAKE THAT SLOW VIPER INTO A SUPERVIPER FOR MUCH LESS THAN ANY COMPARABLE SYSTEM, ALL SYSTEMS HAVE RECEIVED DYNO R&D PLUS EXTENSIVE TESTING AND RUNNING, INCLUDING WIDE OPEN BAJA RUNS TO THE SAND DUNES. RUN WITH THE BEST RJS.