first of all thiose are not JET numbers but venturi booster numbers.
And it is very easy to tell the primaries from the secondaries, the primaries have "shooters" in other words the booster will have two small holes when looked at from the fron and when looked at fronm the top you will see the two shooters in the "well" Those are for the acellerator side of the circuit, which only the primaries have.
As far as measurements, that is the holy grail of autolite carburetors, they simply do not exist. IN fact most carburetors specs do not even have the venturi booster numbers called out. At the present I only have about a little over 1/3 of the carbs boosters recorded and I have been doing Autolites for over 30 years, and activley recording information for the last 20.
Bill White
White Automotive |