so i just got my engine reasembled with the new parts and its time to put in the head gasket i have a 1.1mm and a .78mm i know stock size for me is 1.4-1.6mm but will eather of these two work for me have a build forged motor and will be tuning aswell have pink injectors and upgraded fuel pump,
also have 3 port boost control valve and halltec ecu

1994 Impreza import wrx fully closed deck

 

Un answerable question with the given information.

 

what info would you like to help answer it

 

Whoever specced your build or provided the parts could answer that you are going to have head gasket problems for starters.