Modified XJ Cherokee Tech XJ (84-01)
All modified tech questions. If it modifies your XJ beyond stock parts ask it here.
Sponsored by:
Sponsored by:

Inline Fuel Pump/ Fuel Cell Upgrade

Old Nov 1, 2012 | 03:51 PM
  #1  
TN12valve's Avatar
Thread Starter
Senior Member
 
Joined: Jan 2012
Posts: 804
Likes: 0
From: Tennessee
Model: Cherokee
Engine: 4.0
Default Inline Fuel Pump/ Fuel Cell Upgrade

Am doing away with my stock fuel tank and upgrading to a fuel cell in the cargo area of my Cherokee. My question is... What inline fuel pump should I use to match the stock fuel pumps PSI/ GPH? I have done some searching on the matter and can't find the stock specs...

Any input would be great!
Reply
Old Nov 2, 2012 | 03:53 AM
  #2  
hbracing13's Avatar
CF Veteran
10 Year Member
 
Joined: Sep 2011
Posts: 1,874
Likes: 1
From: new mexico
Year: 88
Engine: 4.0
Default

My parts Jeep had a homemade/aftermarket one on it, and it used the regular pump with two inline filters and a sending unit in the tank. That would be the best way to explain it
Reply
Old Nov 2, 2012 | 04:47 AM
  #3  
Domeskii's Avatar
Junior Member
 
Joined: Jul 2012
Posts: 54
Likes: 0
From: SoCal
Year: 97
Model: Cherokee
Engine: I6 4.0
Default

I hope someone chimes in cause this is something ive been wanting to do to
Reply
Old Nov 2, 2012 | 07:35 AM
  #4  
ktmracer419's Avatar
CF Veteran
 
Joined: Sep 2007
Posts: 4,869
Likes: 14
Default

RCI makes a fuel cell that a jeep Yj 4.0 fuel pump slides right into.

If you want an inline pump though, there is a ford inline pump that people often use off of the earlier ford fuel injected trucks. plenty of info on pirate4x4.

Just make sure the specs are the same, or slightly higher than stock specs of your jeep.

If you are on a budget and have some fab skills you can also just relocate the stock fuel tank and pump into the cargo area and box it in.
Reply
Old Nov 2, 2012 | 08:54 AM
  #5  
TN12valve's Avatar
Thread Starter
Senior Member
 
Joined: Jan 2012
Posts: 804
Likes: 0
From: Tennessee
Model: Cherokee
Engine: 4.0
Default

Still doesnt really answer my question... I really just need to know what the STOCK SPECS on the STOCK fuel pump are. What PSI/GPH is the stock pump?

I really dont want to do an "in tank" pump again, as i HATE messing with those things, but my real goal is to just make everthing easily accessable for quick diagnosis and repair if needed.
Reply
Old Nov 2, 2012 | 09:14 AM
  #6  
ktmracer419's Avatar
CF Veteran
 
Joined: Sep 2007
Posts: 4,869
Likes: 14
Default

Originally Posted by TN12valve
My question is... What inline fuel pump should I use to match the stock fuel pumps PSI/ GPH?
Originally Posted by ktmracer419
RCI makes a fuel cell that a jeep Yj 4.0 fuel pump slides right into.

If you want an inline pump though, there is a ford inline pump that people often use off of the earlier ford fuel injected trucks. plenty of info on pirate4x4.
Oh...

















































Fuel Pressure for a 97 xj 4.0 is:



Engine at curb idle 49.2 + or - 5 psi

Fuel Pressure Drop (pump not engaged) Not fall below 30 psi for 5 minutes

Last edited by ktmracer419; Nov 2, 2012 at 09:17 AM.
Reply
Old Nov 2, 2012 | 09:28 AM
  #7  
TN12valve's Avatar
Thread Starter
Senior Member
 
Joined: Jan 2012
Posts: 804
Likes: 0
From: Tennessee
Model: Cherokee
Engine: 4.0
Default

But where is that pressure being checked? At the fuel rail AFTER the regulator?

Just called Delphi and they said the stock pumps produce the following numbers...

MAX Static Pressure (PSI): 70-80 psi
MAX GPH: 35-40 Gallons per hour

Which translates into Walbro Inline Fuel Pump language as...

Any "high pressure" pump they offer in a 155 LPH (liter per hour) flavor.
Reply
Old Nov 2, 2012 | 09:30 AM
  #8  
TN12valve's Avatar
Thread Starter
Senior Member
 
Joined: Jan 2012
Posts: 804
Likes: 0
From: Tennessee
Model: Cherokee
Engine: 4.0
Default

[QUOTE=ktmracer419;2109340]

If you want an inline pump though, there is a ford inline pump that people often use off of the earlier ford fuel injected trucks. plenty of info on pirate4x4.

QUOTE]

I would like to use something reputable and not from some old P.O.S. Ford. LOL
Reply
Old Nov 2, 2012 | 09:43 AM
  #9  
ktmracer419's Avatar
CF Veteran
 
Joined: Sep 2007
Posts: 4,869
Likes: 14
Default

pressure is checked at the service port in the fuel rail. Theres a regulator there, as long as the pressure of the pump exceeds the 49.2 psi you are good to go.


and if you want reliability and ease of maintenance I would go with the rci cell and yj fuel pump. Its not like its difficult to replace a top loading fuel pump when its all sitting right in front of you. It will be super easy to wire in, and will have the same pressure as stock.

But the ford pumps are used by tons of people without issue. many aftermarket vendors make them, some are better than others, and they are pretty cheap as well. if you search pirate or naxja enough you will find a part number. i think its a couple letters followed by "2000"
Reply
Old Nov 3, 2012 | 04:17 PM
  #10  
Rock Toy's Avatar
CF Veteran
 
Joined: Feb 2010
Posts: 2,095
Likes: 3
From: Cove, OR
Year: 1993
Model: Cherokee
Engine: 4.0
Default

Originally Posted by ktmracer419
If you want reliability and ease of maintenance I would go with the rci cell and yj fuel pump. Its not like its difficult to replace a top loading fuel pump when its all sitting right in front of you. It will be super easy to wire in, and will have the same pressure as stock.
X2
Not sure what type of wheeling you do but in tank pumps run cooler, and don't vapor lock like the inline pumps do on long hot wheeling days.

My opinion the RCI, YJ pump would be a much wiser way to go.
Reply
Old Mar 3, 2013 | 09:19 PM
  #11  
SuperGlue's Avatar
Senior Member
 
Joined: Nov 2009
Posts: 504
Likes: 3
From: Forest Grove, OR
Year: 1989
Model: Cherokee
Engine: Inline 6, 4.ol
Default

What size tank do you have to have for the yj fuel pump? This tank fell in my lap and just wondering if I can go that route..

http://www.summitracing.com/parts/rci-2171a/overview/
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
peligro113
Modified XJ Cherokee Tech
43
Jul 22, 2016 09:34 AM
Chick-N-Picker
Stock XJ Cherokee Tech. All XJ Non-modified/stock questions go here
2
Sep 7, 2015 07:56 PM
Jakers
Cherokee Chat
7
Sep 7, 2015 05:47 PM
metalwonzero
KL Cherokee Tech
0
Sep 4, 2015 06:59 PM
Ella15
Cherokee Chat
0
Sep 4, 2015 05:18 PM

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 

Thread Tools
Search this Thread

All times are GMT -5. The time now is 02:30 PM.