hi, I have a new head gasket for 16v redblock engine. the gasket is not perfectly planar, but is little concave, between the holes of two central cylinders, of about 5 mm with respect to the plan. for example:
| | ) | |
if placed on a table, and I press us above, when I remove the pressure returns concave. It is a problem? Or when it is blocked between block and head works well? thanks.