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Unread 03-22-2012, 04:06 PM   #1
marvinb
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1991 YJ Wrangler 
 
Join Date: Dec 2009
Location: Missouri, Missouri
Posts: 148
fuel pressure regulator

Anyone who has done a V8 swap in there YJ and is running a carb.. How are you delivering fuel? Im running a stock manual fuel pump on my 305 and am pulling fuel thru my electric fuel pump which is causing a fuel starve issue..

If anyone is running there stock electric fuel pump, and a big honkin fuel pressure regulator, what regulator are you guys using? Part#?

Ive searched for several days now and i cant find a particular thread where anyone has given a part # or a particular brand.. but i have seen where people suggest a big ol honkin regulator..

any help would be appreciated

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1991 jeep wrangler.SOA. Chevy 305/ 700R4 tranny/ NP231C/J Transfer case, B&M Z gate shifter, Autometer gauges. Mickey Thompson Classic Lock 2s/ 33x12.5x15 federal couragia's. Bushwacker flares.
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Unread 03-22-2012, 07:42 PM   #2
superj
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1987 YJ Wrangler 
 
Join Date: Mar 2008
Location: corpus christi, texas
Posts: 6,604
use the holley regulator. sorry, i don;t have the number off hand but just go to the autoparts place and tell them you want the holley regulator with two outlets that is chrome and adjusts from 2-8psi. or use the stock 4.2 fuel filter that has two outlets and let the excess fuel run back to the tank. that is how mine is set up right now. i bought the holley electric fuel pump and mounted it on the fender and then was going to run it to the regulator but found out i had a return line so put a tee with the excess pressure bleeding back in to the tank. i still have the regulator and its like 30 bucks from oreily's.

and not to mislead you, i don;t have a v8
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Unread 03-22-2012, 07:43 PM   #3
superj
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http://www.livernoismotorsports.com/...Universal.html

here you go
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Unread 03-22-2012, 08:19 PM   #4
4.7stroker
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1988 YJ Wrangler 
 
Join Date: Apr 2007
Location: Rio Rancho NM
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I am using a intank pump with a return style filter without a regulator. The return style filter stops you from blowing the needle off of the seat and the electric pump works great with my carb.
Just say NO to FPR's

Dwayne
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Unread 03-22-2012, 09:54 PM   #5
superj
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Location: corpus christi, texas
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i agree
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Unread 03-23-2012, 12:15 PM   #6
wendell
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1987 YJ Wrangler 
 
Join Date: Aug 2006
Location: grafton ohio
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I just ordered a holley fuel reg from summit for my holley 4 barrel on my 258.
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Unread 03-24-2012, 06:27 AM   #7
marvinb
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1991 YJ Wrangler 
 
Join Date: Dec 2009
Location: Missouri, Missouri
Posts: 148
Update:
Did a little work to the jeep yesterday, installed a clear bowl fuel filter and a inline fuel pressure gauge up close to the carb. I also swapped fuel lines. Lemme explain fuel lines. On another thread a gentleman suggested using the
Return line as my primary fuel line to see if unrestricted flow would cure my "cutting out" issue. Well, it did!! The jeep has yet to "cut out" on me at all. Now I know that using the return line may not be the best fix, but it's working quite well so far. The gentleman who suggested the return line said that line should go all the way to the bottom of the tank. He was right. After some searching on the Internet for fuel sending units to see how they were made I came across one that was shown in an exploded view with the gas tank and in the bottom of said tank there was a small three sided raised area where the return line set into with what is called a stopper. So, return line swap was on.
So, here's where I'm at.
Had a fuel starving issue- fixed as of now
Had some nasty spark plugs-installed new Bosch platinum 4's
Running hot issue- swapped in a new 180* thermostat and a new electric fan

Thanks for info from everyone who replied to this thread or others I've started about this issue.
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1991 jeep wrangler.SOA. Chevy 305/ 700R4 tranny/ NP231C/J Transfer case, B&M Z gate shifter, Autometer gauges. Mickey Thompson Classic Lock 2s/ 33x12.5x15 federal couragia's. Bushwacker flares.
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