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Re: 454 Problems =(=(=(
The truck I just got has a 454 in it and doing the same thing. I was planning on doing a vacuum test on it Saturday. Maybe see if that is it, or try a different carb I have sitting in the garage. It has all new wires, plugs, cap, and rotor and still runs rough under load. No weird wiring here. The truck has a painless harness that is installed great.
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