Re: Holly carb. 55.56
Posted by HH56 On 2023/8/5 9:39:20
For what its worth, it seems a CFM rating for the specific 4GC carbs Packard used are not well publicized. I did find a 20 year old discussion on a hot rodder forum that mentions the 4GC came in 3 sizes and gave some dimensions. I guess to find the actual CFM number you will need to compare the bore and venturi diameters to the Packard given specs. A similar response was on a 15 year old post in the HAMB forum.
Here is the post containing the size info along with a number for an air cleaner adapter. Maybe there is something similar that could go the other way to allow use of the stock cleaner. Did not see any info on adapters for the mounting to intake manifold.
Attach file:
4GC.jpg (225.48 KB)
Here is the post containing the size info along with a number for an air cleaner adapter. Maybe there is something similar that could go the other way to allow use of the stock cleaner. Did not see any info on adapters for the mounting to intake manifold.
Attach file:
4GC.jpg (225.48 KB)
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