Whats the difference ? 4150 question !

PRH said
Imo, if you don’t already know what you want.......you’re not likely going to find a real answer looking at some formula or on line calculator.

Call some reputable carb builders and get their recommendations.
If one of them gives you the warm fuzzy feeling...... have them sell you a carb.
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Agree. I would call Dominic, at Thumper Carbs. He is on moparts (sorry) and facebook. Mopar guy thru and thru, real carb guru. If you think you need more than an 850, i guarantee he will recommend a dominator. In my opinion, the claims of 1000cfm from a 4150 are just fantasy.