ported @ polished head

[TERRYFARMER1]

i have a clio 1.8 16v and changing the head for a ported @ polished with bigger inlet and outlets just wondering about head gaskets can i put a thick head gasket to low the compresson ratio?.

 

[Dan@SJM]

why would you want to do that?

 

[Fred@BTM]

why would you want to do that?

^what he said^