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Ford 331 Stroker Engine Build

Summit Racing sent Marvin this 100-amp Powermaster alternator in satin black to keep everything adequately charged. Marvin installed the large pulley to reduce the turn ratio by 12 percent. This keeps alternator rpm down at high revs. The water pump is also underdriven by 10 percent to prevent hot spots at high rpm.
Ford 331 Cubic Inch Stroker Engine - Going For 400/400

 Summit Racing sent Marvin this 100-amp Powermaster alternator in satin black to keep everything adequately charged. Marvin installed the large pulley to reduce the turn ratio by 12 percent. This keeps alternator rpm down at high revs. The water pump is also underdriven by 10 percent to prevent hot spots at high rpm.  View Related Article

 

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