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Old 10-15-2013, 10:41   #1 (permalink)
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66 390cu Carb

I need a new or rebuilt carb for my 66 Thunderbird with 390 engine.
The original is an Autolite, 4100 series, 9510A unit.
Engine has A/C, no smog pump.

Any leads on a source will be appreciated. Preferably a ready-to-ship unit, rather than send and rebuild option.

Thanks
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Old 10-15-2013, 18:58   #2 (permalink)
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Re: 66 390cu Carb

Saw a bunch on Ebay, not sure if they had a rebuilt to your specification
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Old 10-20-2013, 14:47   #3 (permalink)
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cool Re: 66 390cu Carb

You know, it's sad Pony Carburetors went under. They were THE source for rebuilt/restored Ford Carburetors. The correct carb. for the 66 390 was believe it or not a 460 cfm Autolite 4100. Same for the 428 too! I have no idea why they made the switch from the 600 cfm from previous years but they did. Holley did make a 460 cfm replacement 4160 carb, but you could replace it with a readily available 600 cfm 4160 carb., you'll just have to wire an electric choke.

Using Pony's handy carburetor guide, the correct Ford engineering part # for either the 66 T-Bird 390 or the 428, non-California (w/o Smog) is C6SF-A. This will be on the tag attached to the top front left corner of the carburetor, if still present. If not still present, all is not quite lost. On the left side of the carb., on the left front corner, will be the venturi size stamped. The number you will be looking for is 1.08. This means the carb. venturis are 1.08" diameter, indicating a 460 cfm unit. A similar engineering part # will also be found on the left front mounting ear, though abbreviated.
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