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Old 08-15-2010, 04:18 PM   #1
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Default Best fuel injectors for 2001 4.0L

What are the best fuel injectors for the 2001 4.0L?

I remember reading on this forum about mustang 4.0 injectors (or something like that) being the best, but I can't find the thread.
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Old 08-15-2010, 05:00 PM   #2
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I'm glad you asked. I don't feel like searching through the 1000's of threads on the topic. Mine is 2000.
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Old 08-15-2010, 11:53 PM   #3
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only ones you can use on a 00-01 are the ford xf2e-c4b's

these are the vehicles you can pull them out off.

FORD E-150 ECONOLINE 1999 4.2l v6
FORD E-250 ECONOLINE 1999 4.2l v6
FORD F-150 (1999 - 2002) 4.2l v6
FORD MUSTANG (2001 - 2004) 3.8l v6
FORD RANGER (2001 - 2004)
FORD RANGER EDGE (2001 - 2004)
FORD TAURUS (2001 - 2005)
FORD WINDSTAR (1999 - 2003) 3.8l v6
MAZDA B3000 (truck) (2001 - 2003)

do your research on how to clean them though, dont want to put used injectors that have been sitting for months in your jeep i imagine. make sure to get new o-rings to.
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Old 08-15-2010, 11:55 PM   #4
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what kind of gains can you see out of these injectors
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Old 08-15-2010, 11:59 PM   #5
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some say you can notice a bit more throttle response. Can expect better mpg because the fuel sprays out of 4 holes instead of 1 single hole therefor it atomizes better. Idle can become smoother.

I personally didnt notice anything except a smoother idle. I like to think it helped my fuel economy out but havent measured it.

the injectors listed above are ONLY for 00-01 models though as the fuel rail runs at i believe 49 psi, and the rest have psi regulators on them.
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Iron man 4x4 motor mounts, E-Z adjust trackbar, adjustable upper ca, fixed lowers, adjustable shackles.
Rustys front tow hooks
Snorkel
Jcr stage 2 rear bumper.
RE coils and leafs
Cragar soft 8's w/ 4" backspacing. Federal Couragia MT's
Flowmaster super 44.
Hid headlights. 6 hella 500FF's.
Zj gas tank skid

Instead of those cheap ball sacks get some thick chain and weld huge nuts from like a light post and hookem to the hitch. Best ever -azxj99
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Old 08-16-2010, 03:57 AM   #6
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Emaxx620 is right on with these injectors I got mine out of a 98 and 2000 windstar yes I got 2 sets you know just in case. I got smoother idle snappy take off and it seems a bit better mpg I haven't even bothered to figure it out (mpg) I'm happy with smoother idle and better take-off.
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Old 08-16-2010, 04:16 AM   #7
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Quote:
Originally Posted by rich View Post
Smoother idle and better take-off.
This also what I get from using proper fuel injector for my XJ. You'll notice the difference.
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Old 08-16-2010, 07:52 AM   #8
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Well I don't want to get used ones, so i guess getting news injectors made for one of these vehicles would be the thing to do.
FORD E-150 ECONOLINE 1999 4.2l v6
FORD E-250 ECONOLINE 1999 4.2l v6
FORD F-150 (1999 - 2002) 4.2l v6
FORD MUSTANG (2001 - 2004) 3.8l v6
FORD RANGER (2001 - 2004)
FORD RANGER EDGE (2001 - 2004)
FORD TAURUS (2001 - 2005)
FORD WINDSTAR (1999 - 2003) 3.8l v6
MAZDA B3000 (truck) (2001 - 2003)
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Old 08-16-2010, 08:45 AM   #9
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Yup.
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Old 08-16-2010, 09:15 AM   #10
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Quote:
Originally Posted by EMAXX620 View Post

the injectors listed above are ONLY for 00-01 models though as the fuel rail runs at i believe 49 psi, and the rest have psi regulators on them.
99s also have the EV6 connector. It's better to seartch either for the injector's manufacturer part# or Ford/Chrysler/Dodge part number. This eliminates the Vehicle/year search which just confuses the hell out of people.

Bosch part number 0280155917 <--- I run these. 3 mpg increase, smoothed out quite a bit and got some "snap". These are 19#/hr for stock 4.0s.
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Last edited by jth877; 08-16-2010 at 09:19 AM.
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Old 08-16-2010, 09:54 AM   #11
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I have a 96 4.0 and wnted to swap injectors but I now see you guys talkng about interchanging with fords I have an 01 mustang with a 3.8 im parting out can I swap in those
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Old 08-16-2010, 10:11 AM   #12
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yea i have a 96 Cherokee also and wandering what i can do for some mpgs lol im geting bout 15mpg -20mpg city and hwy its completely stock except for exhaust and it is thrush muffler 2.25 exhaust with no cat
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Old 08-16-2010, 02:01 PM   #13
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Quote:
Originally Posted by jth877 View Post
99s also have the EV6 connector. It's better to seartch either for the injector's manufacturer part# or Ford/Chrysler/Dodge part number. This eliminates the Vehicle/year search which just confuses the hell out of people.

Bosch part number 0280155917 <--- I run these. 3 mpg increase, smoothed out quite a bit and got some "snap". These are 19#/hr for stock 4.0s.
yea, guess your right about the 99's. for some reason i thought some people said it was hit or miss on the fuel rail they used.

anyway, heres the chart that is in one of the threads on here

Click the image to open in full size.
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StrokedJeep 63mm TB
Ford xf2e-c4b injectors
Iron man 4x4 motor mounts, E-Z adjust trackbar, adjustable upper ca, fixed lowers, adjustable shackles.
Rustys front tow hooks
Snorkel
Jcr stage 2 rear bumper.
RE coils and leafs
Cragar soft 8's w/ 4" backspacing. Federal Couragia MT's
Flowmaster super 44.
Hid headlights. 6 hella 500FF's.
Zj gas tank skid

Instead of those cheap ball sacks get some thick chain and weld huge nuts from like a light post and hookem to the hitch. Best ever -azxj99

Last edited by EMAXX620; 08-16-2010 at 07:20 PM.
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Old 08-16-2010, 06:59 PM   #14
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so any idea about the 3.8 injectors working
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Old 08-16-2010, 07:22 PM   #15
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for which year xj's?

the list of vehicles i posted above is for anything 99-01 on post #3 (thanks jth877)

the picture i posted in post #13 is a diagram for all year XJ's
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StrokedJeep 63mm TB
Ford xf2e-c4b injectors
Iron man 4x4 motor mounts, E-Z adjust trackbar, adjustable upper ca, fixed lowers, adjustable shackles.
Rustys front tow hooks
Snorkel
Jcr stage 2 rear bumper.
RE coils and leafs
Cragar soft 8's w/ 4" backspacing. Federal Couragia MT's
Flowmaster super 44.
Hid headlights. 6 hella 500FF's.
Zj gas tank skid

Instead of those cheap ball sacks get some thick chain and weld huge nuts from like a light post and hookem to the hitch. Best ever -azxj99
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Old 08-16-2010, 07:22 PM
 
 
 
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