Maroguy98

iTrader: (13)

I have a walbro255 installed in my 98ss, cut the trap door. Now we are putting the car back together (few years later). Could anyone tell me looking at the sending unit, which is the feed, return, vent and evap? I thought I had everything connected correctly, but I'm only getting a little over 10psi of fuel pressure to the rail! I'm guessing I have the feed connected to the wrong port off the sender.
Any help is much appreciated!

munn79ta

if your car is back together i would just pull off the connection before the fuel filter and turn the pump on to see if you are getting pressure. if you are then its more than likely hooked up ok and you have a different issue. like bad fuel pressure line inside tank or somethin. also make sure your pump has the positive going to the + on the fuel pump itself. i had issues where the adapter wire wasnt correct and had to switch them around...

Good luck

Maroguy98

iTrader: (13)

Thank you, I will give it a try. I'm about to look at the unit one more time just to be certain I have the lines correctly ran.

Flintstoning

iTrader: (1)

Where you able to verify the connections? I am trying to finish a swap and the last owner had connected the 5/16" return line into the vapor canister which filled up and blew the hose off of my vapor release sensor. So...Im interested in hearing if you found a diagram or ANYTHING showing the proper connections for those 4 hoses!

Thank you sir!

Maroguy98

iTrader: (13)

I have not messed with it since. I will let you know

Maroguy98

iTrader: (13)

Figured it out!