wow it's been a long time since i posted here. probably because i wasn't having any LS issues, lol. well my good fortune seems to have come to an end. just got back from a long road trip up to the Sierras and back, and once back in my garage, the LS started shaking BAD and i'm hearing clicks coming from the front of the engine every few seconds. immediately brought it to a mechanic down the street who did a diagnosis today and found that one of the coils was broken (just put in a new set 8 months ago), there were two codes stored in the computer related to my bad catalytic converter on bank 2 and lean mixture on bank 1, and the scary part, what he thinks is the real reason i am getting these serious shakes: timing chain or related components. he quoted me 4 hrs to take apart the engine to see if that is indeed the culprit, and if it is and requires a total timing overhaul, 14-16 hrs of labor, plus parts, putting me in the 3k range. :q:q:q:q since i don't exactly feel this is the best mechanic in the world and certainly not the cheapest i'm going to take it to my guys back in LA who have worked on the car multiple times and get their opinion. and replace the broken coil. but assuming they think it's a problem with the timing as well, what do you guys think... worth fixing? i still owe money on this car, i can't imagine going further into debt, especially in the neighborhood of 3k... but i can't sell it in this condition either... not sure what to do at this point oh well just wanted to vent.