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Old Dec 4, 2002 | 01:35 PM
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67 428 Fairlane Ranchero
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66 Ford carb tag

Hi I was wondering if anybody can help me identifie an engine by using the carb tag, it is off of a 66 Ford Thunderbird and I beleive it has a 428. the carb reads C6SF A ,on top line bottom the bottom line reads C 5LA thanks for any help with this.
 
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Old Dec 4, 2002 | 05:25 PM
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427SC
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From: BROKEN ARROW OKLA
66 Ford carb tag

According to my Ford microfilm and parts books that carburetor shows to have been used on:
(1)1966 T-Bird with a 390 with a C/M or C-6 transmission without thermactor emissions.
(2)1966 T-Bird with a 428 with a C-6 without thermactor emissions.
Hope that this helps you.
Bill
 
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Old Dec 5, 2002 | 08:41 AM
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karlsd
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66 Ford carb tag

In other words, the carb tag doesn't tell you whether you have a 390 or a 428. It could be either. The best way to tell which is to measure the stroke with the old "dowel (or wire) in the spark plug hole" trick. Alternatively, you could drop the oil pan and look for the casting number on the crankshaft, or pull a head and measure the bore and stroke, but the dowel/wire method is much quicker and easier.
 
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Old Dec 5, 2002 | 04:37 PM
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1 Big Mike
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66 Ford carb tag

 
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