Why You Can't Share the Low-Pressure Feed Between Your Port Injectors and HPFP

If you're building a dual-injection setup—port injection running alongside direct injection—there's a temptation to simplify the plumbing by teeing off a single low-pressure supply to feed both the PI rail

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Spool Performance G90 ZF8HP100 Stage 2 Transmission Build

Spool Performance G90 ZF8HP100 Stage 2 Transmission Build A Ground-Up Redesign for the Heaviest, Highest-Torque 8HP Platform  The BMW G90 M5 and M5 Touring introduce a new era of drivetrain

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Engineering the 725 9G Upgrade: How Spool Performance’s FX-RT Clutch System Achieves 1,700 Nm Capacity

Engineering the 725 9G Upgrade: How Spool Performance’s FX-RT Clutch System Achieves ~1,700 Nm Capacity The Mercedes 725 9G is one of the most advanced automatic transmissions in the OEM

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EA825 FX350 High-Pressure Fuel Pump – Fueling Performance at 3200 hPa on E40

EA825 FX350 High-Pressure Fuel Pump – Fueling Performance at 3200 hPa on E40 This blog post shows the analysis for the fueling stability of the FX350 high-pressure fuel pump on

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