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Message: [QUOTE="6speedsd, post: 1486334, member: 1242"] So since installing the MSD and Autolites, my hesitation off idle has come back, and mpg's have dropped almost a full 1.5. First tank was like before, I was up to like 13, but now the past 4 tanks have all been 11.5 at best, and that hesitation is there again. Checked everything I can think of...it's acting like it did before I found out the choke wasn't fully opening. But it's still ziptied wide open. Part to heavy throttle she runs like a banshee with that ignition upgrade, but I can't understand the mpg drop being so drastic. Still driving it the same was as before. Not saying it's the fault of either upgrade...just an odd coincidence at the timing. Considering changing back to Motorcraft plugs and see if it changes. Sent from my iPad using Tapatalk [/QUOTE]

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