My 422 smallblock build

I'm having a 416 W2 built and my builder is recommending a 950 for it. Here is the one I will be using.

Holley 0-80496-2 Holley 4150 Classic HP Carburetors | Summit Racing
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For that size engine you really need a true 850 IMO.

BTW the tune up on those carbs ^^^ isn’t bad. They don’t take a ton of work.