Originally Posted by DeltaNine
here's an update on my 170,000 mile SRT6 with the "Shudder" problem.........
.....the shuddering seems to happen mainly on light or gradual acceleration....whether at low speeds or highway speeds---in any gear. When I accelerate hard, it feels smooth and normal--almost no vibration.
Sometimes I'm convinced that it is a driveline problem, other times it feels like an engine mis-fire.........think I'm going to contact these Needswings guys.........
From what I have been told this is simply the SC kicking in...it still doesn't feel like a good thing, but if it makes you feel better I have this same issue and I agree...it happens a lot more with light or gradual acceleration. There is a vid by Waldig on YouTube that shows when the SC kicks in....that's why I probably agree it's just the SC...RPMS seem to match up. I don't think it has ever happened to me above 2.5k rpms.
On another note...Rob (NeedsWings) is a great guy and he has some amazing products, I'm sure he can help you out (just make sure to post up results!!!). Make sure to check out some of his products/parts while you are there!