Holley 830 or 950 for SB 410"

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Hello Joe.....go with the 950....The 950 carb will have throttle responce like a 750 because they both share the same size venturi at the top of each bore...1.375

But the 950 has a large 1.750 butterfly in the base so it never gives up or quits pulling down the track....

A Holley 830 is a large ventur 1.590 at the top with a smalle 1.720 butterfly.....Now that makes for a slower/lazy bottom end and not enough some times for the top end.....Jesse @ BIGS!!

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I never really liked the 830s.
I used one on a 340 awile back and it performed just as good/bad as a 750 3310.

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Im tryin to wrap up my 360/410" approx 11 to 1 iron heads, victor intake, hyd roller, 904 with 4500 convertor, 4.30 gear 3300 lb footbrake car. Which would be best for max performance and bottom end also.

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Im tryin to wrap up my 360/410" approx 11 to 1 iron heads, victor intake, hyd roller, 904 with 4500 convertor, 4.30 gear 3300 lb footbrake car. Which would be best for max performance and bottom end also.

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Do you already own both carbs? If so then why not try them both and see how they work on your combination? Those two carbs flow roughly the same but they are different designs. One or the other might just work better for you but you won't know until you try them. If you don't own either one then that is a different question.

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I dont have either ,im getting a 950 hp