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Right but if you look at it this way. A motor will only draw in so much cfm of the carburetor. It doesn't matter what carb, style, or model if motor only can take in 500 cfm and you use a 650 then what? Is it to big now? You can run any carb you want but if it's a street set up then who gives a turkey about size really lol. As long as motor is getting fuel and is working like it's supposed to.



I understand what your saying. The thing here is that it is not to big or oversized, the carb will work. In the case of a VC carb, it will only open up so much. In a DP carb, if the carb is to big, you'll probably have a slower car and or a soft bottom end and or middle.... The list carries on...
If it is a 850 cdm carb on a 273, getting it even near right at idle will probably be... inventive on new cuss words. LOL