Good suggestions all fellas! Patrick's also has a 4bbl intake for '270 and '302 gmc engines and 390 carb is perfect! We have had great success with this combination and Fenton Headers! which also look beautiful with the Jet Hot coating! The gmc engines run really strong with the 4bbl altho the 5 carb looks more nostalgic.whichever way you go,I hope you have a cam to handle the extra carburetion? I would recommend around a 264 or an F290 grind for you. thanks,phillip
