So, my '89 S/C with a 2.9 auto. It's not a everyday driver. It sits alot until I or my son needs to haul something. It fires off fine, smooth, no noises. just a normal 2.9.
But after it warms up and runs awhile, say 5-10 miles, once you come to a stop, it clatters like a diesel. lifters/valve...