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The simple answer is yes, but it is tricky. The 350 with TBI has an intank pump set to produce low pressure about 13-15lbs. There is an integral fuel regulator in the TBI unit that limits running pressure to about 13lbs. This pump is also a "push type" pump, meaning it needs to be near to the fuel supply - in fact actually immersed in the fuel is best. You must get a fuel pump that does both push and pull to mount out on the frame as it will 1st need to bring fuel up out of the tank into the pump and then push it on to the TBI unit - all at the approx correct pressure. In addition, you must move the pump wiring so that the pump is primed automatically for 2 seconds when the key is turned on etc - just like the intank one. Finally, if the in-line pump draws more amperage to run (because it now is doing more work to go both ways), then you may blow fuses or burn up existing wiring. A lot of work for maybe no benefit, if you are just trying to sidestep replacing the intank pump.

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9y ago
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Q: Can you bypass the in-tank fuel pump and use an in-line fuel pump on a 94 Chevy Suburban 1500 series?
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