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2009 Challenger SRT8
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Discussion Starter #1
I'm currently running a boost a pump set up with my supercharger. I don't like the idea of running the pump like that and want to switch to a larger drop in fuel pump. If I switch to a set up like that will I have to retune or just let the pump take care of business?
 

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2020 Dodge Challenger Hellraisin Scat Pack
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3,040 Posts
You have to be sure the larger fuel pump's delivery is not be restricted by too small fuel lines or an inadequate filter. Be sure too if there is a fuel return line it is large enough to handle the extra flow. And be sure the fuel pressure regulator can properly control fuel pressure.
 

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You won't have to get a retune of you do a single returnless pump like the A2SPEED, MMX or Arrington pump. If you do a return style pump like Fore innovations you definitely have to get the tune adjusted
 
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