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Eddie Motorsports S.Drive - One-Belt Big-Block

Installing The EMS S.Drive serpentine pulley system for big-blocks.

By , Photography by The Author

Sometimes finding a matching set of V-belt pulleys and brackets for a big-block can be a bit difficult. Fortunately, the aftermarket has toed the line and offers kits for all the front drive accessories. Eddie Motorsports has recently introduced a new line of S.drive billet aluminum serpentine pulley systems for the Rat engines. This puts modern-day efficiency of a serpentine system on an old-school engine, freeing up a few ponies and eliminating the possibility of throwing a belt. The American-made, compact S.Drive system features pulleys and mounting brackets that are CNC-machined from 6061-T6 aluminum and incorporates provisions for an alternator, power steering pump, and air conditioning compressor. Kits are also offered for non-A/C and power steering vehicles if that is what you need.

The S.Drive pulley systems include all of the necessary billet aluminum pulleys and stainless steel fasteners, as well as name-brand components. These include an Edelbrock water pump, Gates tensioner and six-rib serpentine belt, Maval power steering pump, Powermaster 105-amp alternator, and Sanden A/C compressor. Kits are available with a self-contained power steering pump with clip-on plastic reservoir or a remote pump that requires a reservoir and hydraulic lines (both sold separately). Kits with self-contained pumps for GM steering boxes come with the high-pressure power steering line and fitting. Lines for remote-reservoir and rack-and-pinion systems must be purchased separately.

The S.Drive systems can be ordered in multiple finishes, including polished, machined, or black. We picked up a black S.Drive with all the accessories, which set us back $2,275.00 for this ’71 El Camino. That’s not a bad price considering you get over $700 worth of new accessories like the alternator and water pump.

SOURCES
Eddie Motorsports
11479 Sixth Street
Rancho Cucamonga
CA  91730
888-813-1293
http://www.eddiemotorsports.com/
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