Originally Posted by buoymaker
Q-T Valve Screws circa 1953.
Are they as advertised? Are they any good?
If they were, we would have seen/heard more of them.
I would love to hear from anybody that has ever used these. Currently I only have one installed on one valve. I don't know how this would work with a setting of 018. 0.006 seem to work really well.

1946 1/2 ton Chevy Pickup
1954 235 cu in
3 speed on the floor