I had a Holley7 4bbl on my 69 232 for 15 years, most of that time it was a Holley 390. Right thru the roughest winters this area has ever seen, on trips in good weather, it would get high 20s when I drove right. To me that's a definition of a good day to day carb. Stock Performance Replacement for 2-Barrel Carburetor Street Applications. The 2300 Series Carburetor from Holley is designed as a stock replacement for 2 bbl street applications as well as being mandated for some oval track racing sanctioning bodies. See more like this GENUINE HOLLEY 750 CFM SQUARE BORE MANUAL CHOKE REMANUFACTURED CARBURETTOR 3310. 6 Watching. Save holley 390 cfm to get e-mail alerts and updates on your eBay Feed. Search refinements. Categories. All. Vehicle Parts & Accessories (10) Quote Reply Topic: Offenhauser for Buick 225 v6 and Holley 390 Posted: 07 Aug. 2014 at 9:00pm I'm looking for an Offenhauser intake for the Buick/dauntless 225 engine, and a Holley 390 carb or equivalent. View & download of more than 36 Holley PDF user manuals, service manuals, operating guides. Automobile parts user manuals, operating guides & specifications. How to Tune a 390 CFM Holley by Kelvin Hayes . Tuning a 390 CFM Holley is a simple process thanks to Holley's modular design. This means that the 390 CFM (cubic feet per minute air flow rating) is simply sized up to a larger CFM for larger displacement engines. The tuning on a 390 CFM is the Find Carburetors with 390 CFM and get Free Shipping on Orders Over $99 at Summit Racing! Holley 0-80507-1 - Holley 4150 Classic HP Carburetors. Compare. Carburetor, Model 4150 HP, 390 cfm, Square Bore, 4-Barrel, Dual Inlet, Dichromate, Each Buy Holley Carburetor Handbook 4150 & 4160: Selection, Tuning and Repair by Mike Urich (ISBN: 0075478003037) from Amazon's Book Store. Everyday low prices and free delivery on eligible orders. Save holley 390 cfm carburetor to get email alerts and updates on your eBay Feed. + 14 product ratings -