340 Running super weird

Hey guys, so I’ve been having a hell of a time figuring out what’s wrong with my 340 in my 71 Duster. Everything was fine other than an off idle stutter until a couple buddies convinced me to let them tinker with the timing and distributor and now… the car will almost feel like it’s missing a couple cylinders then after sitting in gear idling it goes back to normal BUT it comes back. 340 goes in and out of this problem while I’m driving. WOT it’s fine at higher rpm. The last thing they...

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Author: admin