I just did a 1959 235 and there is no blocked holes. The head gasket I used was a Fel-Pro Copper. There ARE holes in the gasket that are there for no apparent reason. Its good you are
checking before installing the head!


Deve

1950 Chevy 3100 Deluxe Cab
1950 Chevy 3100 Standard Cab
In the Stovebolt Gallery
The Think Tank
More info and tips at Deve's Technet