I have a 1992 SC300. 116,000 miles, auto trans. Ive searched the forums but need help. The car has run very good but recently I have started to notice a slight loss in performance. It just doesnt feel as powerful and wondering where I should start. Car is stock. I recently had tune-up at dealer, as well as had a new harmonic balancer put on it after my wife ran over a curb and things started going haywire I try to not let her in my baby anymore. Also, could someone give me some hints on proper order of parts to increase performance. Exhaust etc... Also, the cheapest but without suffering quality hints greatly appreciated. Love the forum and have gotten the best advice from you all. Keep it up.

 

I think you should try posting these questions in the SC Forum, there are a lot of people there who can help you out. Here is the link: https://www.clublexus.com/forums/for...p?s=&forumid=6

Good luck.