Hi Doc,
I am from the Newmarket area and buddy is pretty good if its who I think you went to. But the best would be Champion Motors in Scarborough. They do a lot of tuning for LS engines. That would be my recommendation. Give them a call and see what they say. I have a 2014 ZL1 Camaro also...
Drive mine as much as possible. My old man has a beautiful Red 65 and we found this one word of mouth. My next big things are transmission needs attention most likely a rebuild as she very winey and leaks in the usual places and as I said in the last post the power steering. I put new fluid in...
Jcpstrat, I had the same noises on my 66 Vette when I got it last year. It was the Rear Diff oil issue. I would of have sucked out all the oil and added fresh fluid and the 2 bottles of Gm Additive. Then you know everything is clean and new. Once I did that she's been quite as a kitten in...