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Engine + Driveline / M42 Upgrade Ideas

« on: December 07, 2017, 01:33:52 PM »

So I've heard conflicting sides on whether the M42 has forged pistons and rods, do they or should I replace them with such? I plan to turbocharge the engine, head gasket is getting replaced now, new head studs, machining, hot tank. What else should I look into doing while I have the engine disassembled?