I’m triple check my connections today but once I got done I let it warm up for 10 mins or so just did a couple laps around the house going about 25 then went to go to the store and got her up to 45 and noticed the problem. I never really romp on her.
Just changed my plugs and wires on 98 1500 5.9 magnum. Runs fine get to 45+ mph truck shakes like hell only when holding speed. Stops shaking when I’m off the gas completely or accelerating. Any ideas?
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