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I’m looking for some advice on tuning my Holley Double Pumper 850 on a fresh 440. My issue is with the primary transition from cruise to power. As I give minimal to heavy throttle the engine is leaning out to the point where I get lean surge or feel the power of the engine reduce. My AF...

I need some help with the throttle bracketry for my 440. Im in the process of converting my 69 Coronet from a small block to a big block. I have a Holley DP carb sitting on an Eddy RPM Intake. The car is 4 speed. I dont have any of the original throttle brackets to use. I was thinking of using...

Anyone know of a fuel line kit that runs from the mechanical 440 pump to a Holley double feed line? I’m looking for all black, braided line with an fittings that runs from the pump, over the distributor, to the Holley fuel line. I know I can make it myself, was hoping that someone had...

Will a Holley Ultra XP 950 be too much carb? I'm putting together a fresh 440, built to make about 500-550 hp, maybe more depending on how good the port job is. Originally wanted to go with FiTech but the budget dictates I save some money here. I'm thinking the 950 would be plenty, even if I...