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More Boost: Doug’s Shelby GT500

Filed under: Featured Cars and Projects,Performance
by Alvin G @ 11:57 pm on September 17, 2014

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When you build a car with us sometimes it’s contagious. Doug W is the best friend of Z33 owner Craig K and he couldn’t resist visiting us for a boost upgrade on his sweet 2012 Shelby GT500. Equipped from the factory with a Eaton supercharger, a common way to increase boost is to use a smaller diameter pulley. Shown here (right) is a 2.5″ supercharger pulley designed to look like the stock 3″ unit. To make up for the slack due to the smaller pulley, a larger 90mm idler (left) was used:

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Installation was straightforward:

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The smaller pulley is designed to give 3-4lbs more boost. Using an SCT tuner we gained 16hp/37tq for a total of 530hp/519tq to the wheels. The power gains are everywhere!

 

Doug W Stang GT 500

Enjoy the Boost, Doug!

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