Re: 1924 Packard Carburettor
Posted by DavidM On 2018/2/23 17:43:39
I love your car.
It should have the Packard Fueliser carburettor.
The float level should be 1/8" below the jet outlet in the venturi throat. This is set by the position of the collar on the float needle. The collar is soft soldered to the needle and can be heated and repositioned.
The only other adjustment is the air valve which is operated by 2 springs. The outer spring should be set so that the valve is just touching the seat. Pressing lightly on the top of the spring to open the valve should cause a slight drop in idle speed. Lifting the spring slightly to close the valve should have the same effect. The end of the valve spindle protrudes sightly into the secondary air throat and you can lift it with your finger.
Once that is set the inner spring is set so that it has 11/64" drop. That can be measured with the shank of an 11/64" drill bit.
Some fine adjustment of these setting might be beneficial
If these settings do not give good results then it suggests that the spring tensions may have been altered and the best solution then is a new springs as part of a tune up kit available from The Carburetor Shop :http://www.thecarburetorshop.com/
I have attached some information that may assist.
Attach file:
Size: 704.11 KB; Hits: 122
Size: 627.75 KB; Hits: 77
It should have the Packard Fueliser carburettor.
The float level should be 1/8" below the jet outlet in the venturi throat. This is set by the position of the collar on the float needle. The collar is soft soldered to the needle and can be heated and repositioned.
The only other adjustment is the air valve which is operated by 2 springs. The outer spring should be set so that the valve is just touching the seat. Pressing lightly on the top of the spring to open the valve should cause a slight drop in idle speed. Lifting the spring slightly to close the valve should have the same effect. The end of the valve spindle protrudes sightly into the secondary air throat and you can lift it with your finger.
Once that is set the inner spring is set so that it has 11/64" drop. That can be measured with the shank of an 11/64" drill bit.
Some fine adjustment of these setting might be beneficial
If these settings do not give good results then it suggests that the spring tensions may have been altered and the best solution then is a new springs as part of a tune up kit available from The Carburetor Shop :http://www.thecarburetorshop.com/
I have attached some information that may assist.
Attach file:
Size: 704.11 KB; Hits: 122 Size: 627.75 KB; Hits: 77This Post was from: https://packardinfo.com/xoops/html/modules/newbb/viewtopic.php?post_id=200564