Hey guys I've got a 97 7.3 I just installed bigger injectors in the truck and took it out and u can floor it with no problems but I sent my ts chip in to get custom tunes and I reinstalled that and now it runs even better but with that chip turned all the way up it moves out grate but if u floor it and hold it floored it start to cut out around 2800 to 3000 rpms so my first thought is not getting enough fuel but my hole fuel system was replaced 2 years ago but the tank switch valve dose that valve act as a pump to or am I going in the wrong direction

Probualy not getting enough fuel. What injectors u put in. What have you done to the fuel system.


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All stock fuel system truck dose have an adrenaline hpop
160cc/30% nozzle injectors and then a ts with gear head tunes. Do these trucks just have that mechanical pump on top the engine and if so could I just put an fuel pump on the frame to get more volume up their

Yes the mechanical fuel pump is it. I would look into a efuel conversation either a lot or diy. I did me conversation using a 6.0 fuel pump. The stock can't keep up with larger injectors and a good tunes.


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So putting an electric pump on the frame to get more fuel to the mechanical pump won't be enough

no you remove the mechanical pump from the system and convert to a full frame mounted electric pump setup.
The mechanical lift pump goes away and a freeze plug is installed in its place on the engine block in the valley.
The 99 up superduties use E fuel (electronic pump)
There are about 5000 ways to convert to e fuel

What 410customs said it's a delete of mechanical and install good electric


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OBS trucks use a regulated return fuel system with a mechanical pump. The SuperDuties use a deadheaded e-fuel system. The OBS fuel pump is a 2-stage pump and the fuel filter bowl only sees the low pressure from the low pressure stage of the pump and will not handle the 60 psi (or so) from an electric pump, hence the use of frame mounted filters. Many ways to convert, so research it a little and have a plan before you start tearing into it. Cheers!

Many places make efuel kits or you could build one yourself it all depends on you and your skill and what you feel comfortable with doing. I decided to build my own system.

K thanks guys for the input I'm gunna look into a full system. Looking like 1000 dollars for one. what would the price difference be on building your own.