This is a Saab v4 96 1971 with a 32/36 Weber carb. It´s got the "7,2" cam, and has been slightly ported. Head gaskets are standard. High compression gaskets were tried, but made the standard non-skimmed heads leak. Exhaust is tailormade 2" from the first silencer and backwards.
saab, v4, 96, 1971, Weber, 32/36