Re: In-tank fuel pump help.
I'm sure if you just ask them "hey were you guys doing it for the return style, or returnless style?" they'll tell you what they are configuring it for.
Changing between the rails isn't hard. You might also wanna find out what injectors your harness is being wired for (the genIII truck injectors and car injectors use different injector wiring).
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'66 Short Step / SD Tuned / Big Cam LQ4 / Backhalfed /Built 4l80e / #REBUILDEVERYTHING
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