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-   -   98 and 99-02 fuel system (http://www.njfboa.org/forums/showthread.php?t=62610)

WSex 02-17-2013 11:50 AM

98 and 99-02 fuel system
 
i know the 98 and 99-02 are different setups. the 98 has 2 feed and 2 return while the 99 and up have 1 feed and 1 return. i need more fuel and didnt want to get a inline. can i order a 99+ dual fuel pump and run new line -8an feed -6an return? to my new fuel rail etc?
are the electrical connections the same?

LTb1ow 02-17-2013 02:23 PM

1998s have two fuel pumps eh?

Do tell us more.

WSex 02-17-2013 04:00 PM

http://i1156.photobucket.com/albums/...s6a6a8d96.jpeg

http://i1156.photobucket.com/albums/...s2d7e8333.jpeg


never said that. I said i want to run a dual pump



the question is can i run this pump that is designed for a 99-02 (red car) on my 98(silver car)
obviously id get new lines all the way to the front. Do the electrical connectors hook up and is it bolted on the same?

http://i1156.photobucket.com/albums/...s086cac8d.jpeg

feed and return and i think the middle is the breather?

LTb1ow 02-18-2013 06:49 AM

Unless LS1 land fuel lines are stupid small compared to LT1 lines,why not get a lonnies perf double pump setup and run stock lines?

Or just hack two walbro 255's or aeromotive 340's, or hell two bosch -044's in there yourself. No reason to spend money to replace stock parts if you do not need em,

BonzoHansen 02-18-2013 10:28 AM

What are you planning that you need all that extra fuel?

PolarBear 02-18-2013 10:41 AM

Quote:

Originally Posted by WSex (Post 871067)
i know the 98 and 99-02 are different setups. the 98 has 2 feed and 2 return while the 99 and up have 1 feed and 1 return.

There aren't 2 feed and 2 return, one feed, one return, vent and one vapor most likely, like a 3rd gen system basically. the 99 has all of those too, but the vent (burst prevention) is not at the sender, IIRC

sweetbmxrider 02-18-2013 10:55 AM

The 99 up had the plastic tank and the charcoal canister was on top of the tank. OP is rather dim.

LTb1ow 02-18-2013 11:45 AM

Quote:

Originally Posted by BonzoHansen (Post 871180)
What are you planning that you need all that extra fuel?

He wants to out do WF?

http://www.njfboa.org/forums/showthread.php?t=62603

WSex 02-18-2013 12:00 PM

WF? since i have a dailydriver, i think its time to blow ***** up.
im not cheaping out on anything.

extra fuel because i have an e85 station 2 miles away. but iffy about it.

WSex 03-28-2013 05:22 PM

back to this. can anyone provide a sort of diagram for these 4 lines.
i have the fuel pump out of the tank and wanted to rig a return. i was hoping i could use the evap line at the engine bay as a return but im stuck in this line puzzle.

http://i1156.photobucket.com/albums/...s6a6a8d96.jpeg

Rob WS6 03-28-2013 06:32 PM

Did you really cut that hole?

WSex 03-28-2013 06:35 PM

Quote:

Originally Posted by Rob WS6 (Post 876264)
Did you really cut that hole?

not that one but i did.

grazi 03-28-2013 06:46 PM

Ghetto!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!

WSex 03-28-2013 06:47 PM

because racecar

grazi 03-28-2013 06:50 PM

because lazy
No Just kidding sort of

WSex 03-28-2013 07:05 PM

yeah bc lazy will work

grazi 03-28-2013 07:13 PM

http://ls1tech.com/forums/conversion...ss-return.html
Not sure if this will help but it starts to go into alittle detail about converting how you want

WSex 03-28-2013 07:19 PM

Quote:

Originally Posted by grazi (Post 876274)
http://ls1tech.com/forums/conversion...ss-return.html
Not sure if this will help but it starts to go into alittle detail about converting how you want

lol it didnt help. thanks though. im going to weld in a -6 nut and run a line to my regulator as a return. and use stock evap etc.

sweetbmxrider 03-28-2013 09:36 PM

From left to right; return, fuel tank vent valve, feed, evap.

http://i1156.photobucket.com/albums/...s6a6a8d96.jpeg

You owe me a burr.

WSex 03-28-2013 11:15 PM

so the return goes to the bay?

S.J.SLEEPER 03-29-2013 03:03 AM

Quote:

Originally Posted by WSex (Post 876320)
so the return goes to the bay?

No, there is a T right next to your fuel filter under the car. at the T, there is a line that runs back to the fuel pump assy. There's a fpr mounted on pump assy itself. If you were thinking that the regulator looking thing on the fuel rail was the fpr, it is not. That is a fuel damper.

You can remove this line from T, plug port in T, then utilize this line for your return by running fuel line from it, to your adjustable boost referenced fpr (which you shoud be using if its a turbo car).

WSex 03-29-2013 05:56 AM

sj sleeper can you tell mer from the picture of which line on the assembly has the fpr.


and thank you for the response.

and now what do i do with the line that isnt feed on the engine bay?
use it for what it was used?

Jersey Mike 03-29-2013 06:49 AM

Mario, definitely keep picking Curt's brain. He's got a couple of rodeos under his belt that may prove helpful http://www.njfboa.org/forums/showthread.php?t=58504


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