I can't remember where the lines go and don't see any arrows on the fuel lines.I know there's the main feed,return and the vent

There was an excellent write up on how to replace the fuel pump done by PFF member "Brocephus" link is below:

Fuel pump replacement

There is a lot of pic's, it might help you determine where the lines connect to if yours hasn't been disturbed to much.

Hope this helps, good luck

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"Because in a split second, It's gone"
Ayrton Senna

Thanks man

Its the three small metal lines (and hoses) you're struggling with I assume?

Note they are three different sizes. Check the hoses. The largest two hoses (probably 3/8" and 5/16" I.D. respectively if I remember right) are for the fuel feed and return lines which run side-by-side up to the fuel rail (easy to tell which is which - the filter is located on the feed line). The smallest hose is for the Evap canister and its the one that doesn't head up to the fuel rail, obviously. On later cars, the Evap line is routed differently that how its shown in that linked thread. Anyway, the hoses should all fit properly back on the three metal lines from the pump I would think unless someone has replaced them and used the wrong sizes. You could probably measure the O.D of the metal lines to be sure.

Sorry that link didn't help. Let me see what I can find when I get home tonight, might not be able to post till tomorrow morning.

quote Originally posted by Ponnari: Heres what I think it is, maybe someone else can confirm The green line is the fuel line to the engine, red to vapor canister, and blue is the return fule line. I'll see if I have anything else when I get home.

I agree. Note the double hose clamps on the fuel feed line.

Cool thanks you guys

Its hard to hook the lines up wrong. The fuel feed line is 3/8" fuel injection line while the return line is 5/16" fuel injection line.
While you are at it ; its a good idea to replace the 30+ YR old fuel fill line elbow connection. They do crack and if they do at the next stop when you gas up and start, the car goes boom!
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" THE BLACK PARALYZER" -87GT 3800SC Series III engine, custom ZZP /Frozen Boost Intercooler setup, 3.4" Pulley, Northstar TB, LS1 MAF, 3" Spintech/Hedman Exhaust, Autolite 104's, MSD wires, Custom CAI, 4T65eHD w. custom axles, HP Tuners VCM Suite.
"THE COLUSSUS"
87GT - ALL OUT 3.4L Turbocharged engine, Garrett Hybrid Turbo, MSD ign., modified TH125H
" ON THE LOOSE WITHOUT THE JUICE "

[This message has been edited by Dennis LaGrua (edited 07-21-2015).]

PM sent to "fieroguy75"

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"Because in a split second, It's gone"
Ayrton Senna