Thread: 428 fe with holley 850 jetting recommendations?
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Old 03-25-2022, 05:24 AM
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Quote:
Originally Posted by MKS427 View Post
You may want to start here. I suspect you have too much carburetor. Engine builders use ~780 cfm carbs for similar engines at 550hp.
https://www.motortrend.com/how-to/ch...20%3D%20616.32).


X2

Since there is no mention of cam specs, engine compression, valve sizes, intake type, and ignition on the OP's engine, my thought is also a carb that is too large for the combination of the above mentioned items.

Bill S.
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