Originally Posted by JimmySmith
Charlie, I have used it since 1967 in a 292 6 that ran on the highway but would not go in the woods without high temps and I found it helped a little , did not know why and bout 5 years ago I was told it got rid of bubbles which do not cool anything. Later J.Smith 4621 racing

Thx Jimmy, I put a bottel in the 69, it dropped my normal operating temp about 15 degrees, I was satisfied.
Cp