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Author Topic: Replacement Injectors  (Read 2429 times)

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OSO

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Replacement Injectors
« on: November 25, 2009, 12:28:45 PM »
Where can I get refurb(Ford!?) fuel injectors for my 2.5?  I am a little skeptical of the junkyard ones from what I have read on some threads.  Also, which ones do I order?
Thanks.
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TrailsLessTaken

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Re: Replacement Injectors
« Reply #1 on: November 25, 2009, 01:30:10 PM »
You can get them off ebay, if you dont want to do the junkyard deal... but they are both still used.  What kind of jeep do you have?
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roksld13

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Re: Replacement Injectors
« Reply #2 on: December 01, 2009, 12:10:10 PM »
I want to know the same Question, What do i need for my 2.5L.  I have a 97 tj, geared 4.88, 4.0 tb and tbs, banks header, cat back, arb safari snorkel w/ k&n filter, and synthetic lub.  I want to know what kind of injectors do i need for mine? i dont understand the whole scale!
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Jesse-James

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Re: Replacement Injectors
« Reply #3 on: December 01, 2009, 12:23:22 PM »
I have a known good working set of stock injectors for a YJ. PM me if interested.
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roksld13

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Re: Replacement Injectors
« Reply #4 on: December 01, 2009, 02:25:26 PM »
are the yj injectors better than the factory tj, i though that it was the other way around? like i said i do not know anything about which injector to use and whats better for my application.  i did read jeffys thread about them but did not get what i need to apply to my jeep (1997 TJ 2.5L). So i guess what im trying to say is my injectors work fine but i want improvement, so what do i need to do that? I know how to change injectors and everything just dont know what applicatiion i need for improvement with out going to summit racing and spending a fortune! sorry if it sound jumbled
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Offline FourbangerYJ

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Re: Replacement Injectors
« Reply #5 on: December 01, 2009, 02:54:43 PM »
Look for some Ford 24# injectors. Design III with the 4 hole pintle. They come up on ebay. Prices vary. I would suggest cleaning them before installing, so you don't go thru the mess I went thru.
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Offline sharpxmen

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Re: Replacement Injectors
« Reply #6 on: December 01, 2009, 03:03:22 PM »
Quote from: roksld13 on December 01, 2009, 02:25:26 PM
are the yj injectors better than the factory tj, i though that it was the other way around? like i said i do not know anything about which injector to use and whats better for my application.  i did read jeffys thread about them but did not get what i need to apply to my jeep (1997 TJ 2.5L). So i guess what im trying to say is my injectors work fine but i want improvement, so what do i need to do that? I know how to change injectors and everything just dont know what applicatiion i need for improvement with out going to summit racing and spending a fortune! sorry if it sound jumbled

you cannot use YJ injectors in a TJ - the YJ ones flow too little compared to the TJ ones even at the increased 49psi pressure:
YJ - 17.4lb/hr@39psi,
TJ - 23.2lb/hr@49psi

YJ injector on TJ  - 19.5lb/hr@49psi (quite short of 23.2 which is what you should have at the minimum).
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roksld13

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Re: Replacement Injectors
« Reply #7 on: December 02, 2009, 05:46:07 AM »
thats what i though from reading jeffys thread, so where should i get my injectors from, what other type car?
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Offline Jeffy

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Re: Replacement Injectors
« Reply #8 on: December 02, 2009, 01:24:39 PM »
Quote from: roksld13 on December 02, 2009, 05:46:07 AM
thats what i though from reading jeffys thread, so where should i get my injectors from, what other type car?
Low mileage Fords.  You can find them on ebay fairly easily.  I'd look for clean one as they are most likely in better shape.  My first set were from a Mustang.  The second set were from a F150...  Go with the Design II's as they are better.  Even Mustang guy's swap their Design I's for II's.
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Offline sharpxmen

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Re: Replacement Injectors
« Reply #9 on: December 02, 2009, 02:56:24 PM »
Quote from: Jeffy on December 02, 2009, 01:24:39 PM
Low mileage Fords.  You can find them on ebay fairly easily.  I'd look for clean one as they are most likely in better shape.  My first set were from a Mustang.  The second set were from a F150...  Go with the Design II's as they are better.  Even Mustang guy's swap their Design I's for II's.

i think he was asking what p/n or flow (he's got a TJ).
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'95 YJ, NSG370 6spd / Hurst shifter, Dana 300 + 4:1 Doubler / tri-stick, Custom skid, Super D35 / Auburn LSD / 4.88, 35x12.5x15 BFG KM2, 64mm t/b, 1.7 RollerRockers, MkVIII e-fan, Dual Diaph Booster
Latest: Corbeau BajaRS heated seats :dance: keeping warm the rear end

roksld13

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Re: Replacement Injectors
« Reply #10 on: December 02, 2009, 04:08:22 PM »
well yes i was asking p/n and flow but the ford thing def help get me closer to the answer i was looking for thanks. so ford design IIs.  Now what flow?
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Offline Jeffy

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Re: Replacement Injectors
« Reply #11 on: December 02, 2009, 04:08:39 PM »
Quote from: sharpxmen on December 02, 2009, 02:56:24 PM
i think he was asking what p/n or flow (he's got a TJ).
Well, I'd go by colors since they are easy to spot then to dick around with p/n's.  Do a search on ebay and look for blue (Navagator), white (F-series) or black (Mustang Cobra).  Then confirm them with a bit of searching.
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roksld13

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Re: Replacement Injectors
« Reply #12 on: December 02, 2009, 06:54:11 PM »
I realize that but what flow and i have searched and your thread is very complex in explination.
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roksld13

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Re: Replacement Injectors
« Reply #13 on: December 02, 2009, 06:59:27 PM »
I found some black mustang ones that are 80#, Blue ones that are 39#, Light blue ones that are 24#, and yellow that are 19#. Im guessing the 24# or the 39# right, i know 80 # and 19 are not the right way, to much and to little.
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roksld13

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Re: Replacement Injectors
« Reply #14 on: December 02, 2009, 07:05:28 PM »
i also found some ford 24# bosch racing injectors design III for 64 bucks.  But the factory tj is 23# so is that that much better?
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