I am in a process of rebuilding my 289 with mild cam and hei distributor, and can not decide which Carb is better Holley VS Edelbrock both are 600 cfm... Again I am only a weekend cruiser....I do not know too much about mechanic. Talk to different mechanics, however end results are confuses .....3 said Holley and 2 said Edelbrock.... Thanks for all the advice ..........