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Originally Posted by JP1738
True but I now have answers to both questions. Pressure never dips and volume is decent. Y'all really think 2GPM isn't enough to feed a 250hp 305? I'm as green as can be when it comes to racing stock and Q-jets but I still find that hard to believe. Maybe I can back-to-back it this weekend with and without the filter and see if it makes a difference. I'll let everyone know one way or the other.
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Your 305 should make in the 350hp area to be average. And a good rule of thumb I've found for supplying fuel to a Q-Jet engine, is to double the volume (or system hp rating) required for your said power level. IE engine makes 350, you need a system capable of 700 feeding it. The q-jet is great but can be quirky.
Also you most likely just have a whole bunch of small small issues adding up to some big losses. Only time and perseverance will fix that