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Unread 05-15-2010, 12:40 PM   #1
stoker18
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1989 YJ Wrangler 
 
Join Date: Mar 2007
Location: Indianapolis
Posts: 19
1989 YJ-TPI 383 swap

Hey guys. I have a question for all of the engine swap experts. I'm putting a TPI 383 in my 1989 wrangler. As far as the fuel pump goes, what is my best option? I've read about Grand Cherokee in tank pumps and Corvette in tank pumps and external pumps. There is honestly so much info on this site that I could spend a week reading about the projuects people do! Does anyone have an opinion on what my "best option" is? Any and all help is greatly appreciated.

-Stoker

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Unread 05-15-2010, 05:53 PM   #2
wanabejeeper
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1987 YJ Wrangler 
 
Join Date: Aug 2009
Location: NJ
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most guys who dont have an in tank pump to start with just plumb in an external pump and filter and regulator. Be sure to replace the line with hose that will handle the pressure
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Unread 05-15-2010, 06:15 PM   #3
dodger889
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What pressure are you needing? if it is at about 45psi then a stock wrangler pump will work.
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A 89 yj with a 4.0 aw4 sye out of an 92xj. Now the hard part is done time to get it up in the air just a bit. Working on 8.8 with 3.73 and lsd for the rear. and new D30 hp with 3.73 .
For those who have not figured this out I'm old school but can handle the new too.
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im just cheap, and cheap makes you creative.
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Unread 05-16-2010, 09:16 AM   #4
stoker18
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1989 YJ Wrangler 
 
Join Date: Mar 2007
Location: Indianapolis
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Quote:
What pressure are you needing? if it is at about 45psi then a stock wrangler pump will work.
A stock Wrangler pump from what year? My '89 was a carb'd engine w/ mechanical pump on the block.

Quote:
most guys who dont have an in tank pump to start with just plumb in an external pump and filter and regulator. Be sure to replace the line with hose that will handle the pressure
I would really like to get an in-tank pump to help keep the pump cool. If I can't figure out which in-tank pump will work, I will go with an external pump though.
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Unread 05-16-2010, 11:54 AM   #5
dodger889
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1989 YJ Wrangler 
 
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Location: mi
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Do you have the 20 gal tank? with the rectangle opening in the top of the tank? then look for one from a 91-95 yj.
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A 89 yj with a 4.0 aw4 sye out of an 92xj. Now the hard part is done time to get it up in the air just a bit. Working on 8.8 with 3.73 and lsd for the rear. and new D30 hp with 3.73 .
For those who have not figured this out I'm old school but can handle the new too.
Quote:
Originally Posted by bigsquat View Post
im just cheap, and cheap makes you creative.
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Unread 05-16-2010, 02:36 PM   #6
stoker18
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1989 YJ Wrangler 
 
Join Date: Mar 2007
Location: Indianapolis
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Yes, it is the 20 gal tank with rectangle opening. I was told that the fuel injected YJ fuel pump won't put out the volume I need. But, who knows if the guy I heard that from knows what he is talking about. I know that I saw a thread somewhere on this forum about a Corvette pump working well with minor modification. Anyone know anything about that?
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Unread 05-16-2010, 06:11 PM   #7
dodger889
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1989 YJ Wrangler 
 
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Location: mi
Posts: 4,161
How many gals/hr flow are you looking for?
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A 89 yj with a 4.0 aw4 sye out of an 92xj. Now the hard part is done time to get it up in the air just a bit. Working on 8.8 with 3.73 and lsd for the rear. and new D30 hp with 3.73 .
For those who have not figured this out I'm old school but can handle the new too.
Quote:
Originally Posted by bigsquat View Post
im just cheap, and cheap makes you creative.
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Unread 05-16-2010, 07:00 PM   #8
stoker18
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1989 YJ Wrangler 
 
Join Date: Mar 2007
Location: Indianapolis
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For a stock TPI 350 the fuel pump is rated at around 40gph at 47psi. Can an injected YJ pump put that out? I noticed that GenRight has a fuel module that bolts in, but they say it is only good for up to 5.9L engines.
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Unread 05-16-2010, 07:12 PM   #9
Bastidjeep
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2004 TJ Wrangler 
 
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Location: Marion,TX
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See if you can fab up using a Walbro 255 lph pump in tank. The make them for the 5.0 mustangs and are dirt cheap. That will be more than all the fuel requirements you will ever need.
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Unread 05-16-2010, 07:43 PM   #10
stoker18
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I'll look into the Walbro. Thanks for the info guys.
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