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  1. 5_TON_TOMATOE

    NHC-250 Valve face/seat angles

    Doing the valves in my M818 and I have run into some conflicting information. My Cummins shop manual says 30 degrees on valve and seats, while the TM says 30 degrees on seats, 45 on exhaust valve face, and 30 on intake, which sounds like a miss print to me. Anybody know the correct answer? I...
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