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I have an 05 gt cruiser running the stock injectors currently. I was curious if I could run 650cc injectors with the stock fuel pump, or if I should move to the 255lph by Walbro
 

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I know the stage 2 SRT4 injectors are 682cc and the stage 2 runs on the stock fuel pump, so I see no problem with you running those on the stock PT GT pump as it should be the same as the SRT4.
 

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yes and you'll need a tune, or you'll be pig rich
its a good idea to run a thicker wire between the fuel relay and the pump -- my stock srt4 dropped almost 3v before the rewire
 

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I would think you'd be getting rid of the fuel pinch at the pump though. Once that fuel restrictor is gone the stock setup flows some HP. Before I mess with fueling I'm going water to air on my GT. Took the front end off and looked at the stock IC lol. Going to use the stock IC as a water to air radiator though.
 
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