Originally Posted by garyrs

thnks for the reply cozmeister, i should of made the question clearer

i am looking for the compresion ratio of a 205 block with 4x4 pistons and a 2wd head and a group a gasket , im prty sure the 4x4 pistons have a bigger dish so should lower the compresion ration when used with a 2wd head ,

as for the head question i meant the cc of the combustion chamber in the head ,
thanks gary