Hello guys, I want to upgrade the fuel pump of my 454 I was thinking of going to summit for one of their holley street pumps or edelbrock fuel pumps? Im pretty sure I will need a fuel regulator because these pumps flow around 110 gallons per hour and 6-8psi! for a daily driver is it important to have the regulator adjusted between 6 to 8psi? what PSI should I have my 454 adjusted to?. The carburator is what im not shure if I should replace because it is a rebuilt quadrajet, are these carburators better than a edelbrock or holley? Because, I also have a brand new hollley 650 double pumper, but im not sure if it would be to small for the 454? So, to save some money am I better off with the quadrajet? Thanks for any replies!!!