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Mazda RX7 Twin Turbocharger

Boost is produced by a pair of HKS GT Series 3037S turbos with a .87 A/R on the hot side and a .60 A/R on the compressor side. A four-inch turbine wheel spools a 56T-trim compressor wheel.
SP Engineering's Supra-7

 Boost is produced by a pair of HKS GT Series 3037S turbos with a .87 A/R on the hot side and a .60 A/R on the compressor side. A four-inch turbine wheel spools a 56T-trim compressor wheel.  View Related Article

 

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