First aftermarket 8-rib serpentine pulley system for LS engines with Whipple 2.9 liter superchargers

By Fergus Ogilvy

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If you ask LS engine specialist Gary Grimes about serpentine pulley systems, he might shock you. He’ll tell you that some pulley systems masquerading as billet are no more than aluminum castings machined to give the appearance of billet. And he’ll prove his case by revealing broken pulleys shattered by the additional demands of forced-induction engines. So he selects Concept One.

Here below are the details of their latest pulley system for LS engines fitted with the W175FF 2.9-liter Whipple supercharger.

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-First single-belt 8-rib pulley system for Whipple 2.9L blowers
-High traction serpentine arrangement sustains up to 10lbs boost
-Compressor moved to upper right from lower right provides vital clearance
-Machine finish or in-house polished or low-maintenance black or clear anodized

 

C1-WhippleSCKitCumming GA: LS-powered Muscle cars using the Whipple W175FF 2.9-liter blower now have access to the first high-traction eight-rib serpentine pulley kit.

Driving a blower that creates up to 10lbs of boost requires adequate belt grip and by increasing the ribbed surface area by 33 percent—substituting eight ribs for the traditional six—Concept One’s latest single-belt system achieves this without belt stretch or slippage.

Created and fully CNC-machined from pure aircraft-quality 6061-T6 billet aluminum, this kit, in common with its predecessors for Magnuson, GM LSA,  and Edelbrock superchargers, is engineered for easy installation and perfect fit with pulley ratios calculated for optimum drivability.

To ease the installation prospects of the fully dressed LS power unit, Concept One relocated the A/C compressor from its original position on the lower right to the upper right. In doing so, LS transplants now possess adequate clearance around most chassis cross-members and other chassis components.

This kit provides a compact, polished Sanden® SD-7 compressor as well as a new Delphi® aluminum power steering pump. As standard equipment the pump is supplied with Concept One’s exclusive billet mini reservoir or remote reservoir. Also included are a cast aluminum water pump and a 105-amp polished Powermaster® one-wire alternator.

Other key components include a heavy-duty tensioner and Goodyear Gatorback® belt together with an SFI-approved harmonic balancer. To complete the kit all necessary 8-rib pulleys and mounting brackets are provided. These accommodate the alternator, A/C compressor, power steering and the supercharger idler.

Prepared with either a machined or polished finish or in black or clear anodized finish, prices start at $2,795.

For further information contact:
Concept One
6320 Highway 400 North Cumming, GA 30028
Toll Free: (877) 337-0688
or visit www.c1pulleys.com
For sales and technical questions email: Kevin@c1pulleys.com

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