Motorcraft 4BBL questions
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Joined: Aug 2003
Posts: 6
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From: Jamtland
Motorcraft 4BBL questions
Originally posted by Ford_Six
These following numbers are for Motorcraft/Autolite carbs. This number can be found on the side of the float bowl, right behind the accelerator pump rod, inside of a circle. The number on the right corresponds with the cfm rating on the left. Thanks to chas1234 for these numbers.
Number = CFM
.98 = 190
1.01 = 240
1.02 = 245
1.08 = 287
1.14 = 300
1.21 = 351
1.23 = 356
1.33 = 424
These following numbers are for Motorcraft/Autolite carbs. This number can be found on the side of the float bowl, right behind the accelerator pump rod, inside of a circle. The number on the right corresponds with the cfm rating on the left. Thanks to chas1234 for these numbers.
Number = CFM
.98 = 190
1.01 = 240
1.02 = 245
1.08 = 287
1.14 = 300
1.21 = 351
1.23 = 356
1.33 = 424
Hotshot
Joined: Oct 2002
Posts: 18,488
Likes: 22
From: The Big, Oregon
Motorcraft 4BBL questions
What the nubers actually are is the diameter of the venturis. This would be about a 725cfm carb. You first need to figure out what it came off of. Does the carb have a metal tag attached to it? If you post the numbers off that tag, we can tell you what it is.
