Customer brought in a Mercury Racing 575SCI with AFR aluminum heads who was told by another shop, motor was way down on power. Joe Baca to the rescue. Performed leak down test and determined bottom end was fine yet down on boost. Replaced stock blower with a 4.5L Whipple Supercharger, upgraded MEFI 3 to a MEFI 4B for better tuning parameters. Joe works his tuning magic on the dyno and final readout upped the power to 874hp at 5800rpm w/ 10lbs boost on pump gas and she was still climbing the grap
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Customer brought in a Mercury Racing 575SCI with AFR aluminu…
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