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new heads need help

  1. Repairs, Maintenance, Help
    I am a old gear head to put it plainly. This 4.7 is baffling to me. 2nd owner and too good a deal to pass up.At 200,000 I tore it down to install a new timing set and heads, the bottom end was good and the overall care the previous owner was impeccable. Here is my problem. She starts but runs...
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