I can take a good look when I get home as I havn't been wrenching on or driving the truck in well over a year since moving but from what I remember my VRFPR is in line before the the TBI unit and has it's return plugged. The tbi regulator is modded with a block off plate and the return is from the TBI return like it was from the factory. So fuel flows from sending unit to the aftermarket VRFPR to the tbi injector pod then out the factory return back to the tank. I also upgraded to AN line and fittings when I did this.
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