I haven't seen it in years but Bardahl Upper Cylinder Lube was one of the best for unsticking valves. There may be something new out there that I'm unaware of.

For those my age you may remember Blackie Carbon, Bardahl's mystery man in the raincoat and Fedora.


1953 Chevy 5-window 3100
In the Stovebolt Gallery
More pix on Picturetrail

Dave
Engine & Driveline Moderator

If you can't make seventy by an easy road, don't go. ~~ Mark Twain