[SleepingBeast84]

I have been trying to search the net and mustang forums with no success on how to convert my 1984 SVO from a dual pump setup to a Walbro 255 lph single in tank pump. Now I had found it once before but I can not find it now. If anybody out there can point me in the right direction or put up a link to where it is at I would grealty appreciate it. Thanks


Brian

[dakine858]

Originally Posted by SleepingBeast84

I have been trying to search the net and mustang forums with no success on how to convert my 1984 SVO from a dual pump setup to a Walbro 255 lph single in tank pump. Now I had found it once before but I can not find it now. If anybody out there can point me in the right direction or put up a link to where it is at I would grealty appreciate it. Thanks


Brian

Get a fuel pump bracket for an '87-93 LX or GT, engine size doesn't matter. This is the bracket that drops down inside the tank. Your SVO pump bracket won't work with the new pump, so you can't use it. Once you have the new fuel pump bracket in place, go topside, open the hatch, move the mat aside, find the wire harness going to the tank, there is a black braided wire going to the fuel pump. This is a resistor wire to protect the old pump. You need to disconnect it, add a regular wire in it's place and ground it to the body. It would be a good idea to get an adjustable fuel pressure regulator as well.

Check these 2 sites out for some more info;
RX-50-FPKG
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[SleepingBeast84]

Thanks for the info one other thing where can I get a true walbro pump and not a knock off?

[dakine858]

Originally Posted by SleepingBeast84

Thanks for the info one other thing where can I get a true walbro pump and not a knock off?

Here's what you're looking for;
Lightning Motorsports - Walbro 255lph HP in-tank fuel pump (340) - GSS340

[NavySVO]

in addition, you can just use the clamping part of the later model bracket to fit your existing one. A lot of the ones I find in boneyards have had the hard line nipples crimped/and or cut off. The clamp is held in place by 3/16" (IIRC) screws.

As for the resistor wire, you can just expose the insulation, solder, and run it to the ground chassis. THIS STEP IS THE MOST IMPORTANT. If you don't get that resistor wire set up you will burn up the pump.

One more thing, remove the rail mounted pump and replace it with a '93 Ranger fule filter.