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SVT Shelby GT500
2011 Shelby studdering on the way home tonight.
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<blockquote data-quote="forsho" data-source="post: 15709561" data-attributes="member: 21791"><p>Car started to studder under full throttle on the way home from dinner tonight. Seems to be fine and idle perfectly when driving normally. I have been able to repeat it only under load/boost. If I put it under a heavy load in 3rd and 4th it will break up a bit. Popped the hood when I just got home and nothing looks amiss. Figured that I would let it cool off and check the plugs tomorrow (probably 15K miles on NJK's, since pulley/tune/intake upgrade). Nothing has changed with the car otherwise and everything else is working normally as its a daily driver and gets miles on the regular, no codes, no lights, but I can feel it. Had to do a few short lower 3-5K RPM pulls before the wife could feel the studder as well. I've got Lund tuner in the car and logged a few of the times that I duplicated the studder, once I get a few things done at home I'll pull/post the logs.</p><p></p><p>Anything that I should check first, am I wasting time checking the plugs?</p><p></p><p>What should the plugs be gapped at, might as well check that also.</p></blockquote><p></p>
[QUOTE="forsho, post: 15709561, member: 21791"] Car started to studder under full throttle on the way home from dinner tonight. Seems to be fine and idle perfectly when driving normally. I have been able to repeat it only under load/boost. If I put it under a heavy load in 3rd and 4th it will break up a bit. Popped the hood when I just got home and nothing looks amiss. Figured that I would let it cool off and check the plugs tomorrow (probably 15K miles on NJK's, since pulley/tune/intake upgrade). Nothing has changed with the car otherwise and everything else is working normally as its a daily driver and gets miles on the regular, no codes, no lights, but I can feel it. Had to do a few short lower 3-5K RPM pulls before the wife could feel the studder as well. I've got Lund tuner in the car and logged a few of the times that I duplicated the studder, once I get a few things done at home I'll pull/post the logs. Anything that I should check first, am I wasting time checking the plugs? What should the plugs be gapped at, might as well check that also. [/QUOTE]
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SVT Shelby GT500
2011 Shelby studdering on the way home tonight.
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