Bowtie70SS Posted November 3, 2005 Report Share Posted November 3, 2005 Ok, sorry if this is a but man there's a lot of fuel threads. I have a 03 and am getting ready to do a Powerdyne. I was told by powerdyne that their kits come with a 37lb injector (they think) I bought a kit for a 99-02 with a FMU. My question for all of you gurus out there is: Are all 03's equipped with a return line? If so then I can use the FMU, or am I asking for trouble? I don't mind springing for the injectors, and really what I want is a mid to low 13 second truck. I run 14.80's now with only minor mods. I plan on installing headers, a 160 T-stat, and a cold air intake to hook up to my hood. Hopefully if I posted this in the wrong spot then someone will move it for me. Thanks!! Dave Link to comment Share on other sites More sharing options...
Krambo Posted November 3, 2005 Report Share Posted November 3, 2005 '03 system is a "return" system. Link to comment Share on other sites More sharing options...
BenKey Posted November 4, 2005 Report Share Posted November 4, 2005 '04 started the returnless systems. Link to comment Share on other sites More sharing options...
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