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  1. J

    347 Vs 331

    My current engine setup in a '90 Mustang LX Hatchback is a stock blocked 331 cu in stroker motor. The upper and lower intake is a Holley Systemax paired with AFR 185cc heads, an AFM b-41 cam, and a Paxton Novi 2000 that puts out 10 psi. The car is a great street car that made 528 rwhp @ 5800...