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thanks for the clarification and info. Many holleys have the same fuel transfer tube, and can be upgraded with better seals. Not a bad carb IMHO, but needs work to be sure.
If you're asking about my post, I was referring to Bee1971's post. I was wondering what the issues were about the 4668, since he was involved in the replacements. The problems must have pretty bad to warrant changing them.
For sure it's more than just the throttle bores. Add in the venturi sizes and I would think those are the main drivers in cfm. Anyway, in this case the venturis are also larger on the 4668 than the 600.
This thread caught my eye as I have quite a few of these carbs, and I have looked high and low on the web and have contacted holley to find out the cfm without any luck.
If you measure the throttle bores and calculate the total area, it looks like this:
600 cfm = 7.64 "
750 cfm = 8.96"
R4668 =...
As have already been posted, there's are lots of ways to get your car painted. If you are actually looking for paint AND bodywork, then the costs go up. What I did was do all of the bodywork myself, and bought the paint. Paint was approx. $500 for sherman williams mid grade paint. I had it...