I have run 48IDF's on the 302 in my Autokraft Cobra since 1992. Great and smooth with no problems. Stock 9.0 to 1 compression, Ford Motorsport GT-40 aluminum heads, B303 Camshaft. Produces about 350 BHP, dead smooth idle easy starting hot or cold. I can give you all the jetting specs. Run 40mm chokes. I realize this is not for a 351 Cleveland, but you can make these carbs work better on the street than the IDA's due to the IDF having a better transition system from the idles to the mains. This is the key on street driving.
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