
I have a 1974 landcruiser with the chevy based 6 cylinder engine and a 2 barrel carb.my ? is where should the primary and the secondary jets in the carb. beplaced. it has 2 pair there, the larger pair is being used and the smaller pair are in the spare jet locators.and to follow up ,which jet would be the larger of the 2, the primary or secondary. this is a hot south texas climate application.

thanks for your help