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Discussion Starter · #1 ·
I have sent messages to the "[email protected]" address on the Barry Grant website, but have not gotten any responses. Is this still a valid email address for technical questions?

I am looking for a 750cfm vacuum secondary carb with annular boosters and am trying to decide between the Speed Demon & Mighty Demon. I don't need a choke since the car will not be driven in the colder months and I want the tuneability of changeable air bleeds, but my cam has less duration than is recommended for the Mighty Demon. What is it about the carbs that makes particular models suitable for use with a particular range of cam durations? With the changeable air bleeds and idle feed restrictors can the Mighty Demon be made to run well with a 224/232 @ .050" cam?

Feel free to email me directly if you prefer.
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