1957 carburetor differences

[twstnshout]

What is mechanical and physical difference between ecz 9510Y 1272-1 and a ECZ 9510AD 1273-1 carburetors

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[55blacktie]

It could be that 1272-1 is for Fordomatic cars. 1273-1 is for cars equipped with manual transmissions.

 

[twstnshout]

I know that but what is the mechanical difference

 

[doug7740]

What is mechanical and physical difference between ecz 9510Y 1272-1 and a ECZ 9510AD 1273-1 carburetors

There shouldn’t be any differences between ECZ 9510 Y and ECZ 9510 AC carburetors. The ECZ 9510 AC replaces or supersedes the ECZ 9510 Y carburetor and both are for standard and overdrive 312 engines.

doug7740
1955 Thunderbird Blue