injector swap for a 91 xj?
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Joined: Jul 2012
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From: kerhonkson
Year: 1991
Model: Cherokee
Engine: 4.0 high output
ive been turning wrenches professionally for some time now and little by little i hear about mods through the grape vine. i just got a 91 xj lareado with the 4.0 high output motor and the injectors are deff on the way out with 225k on them. which injectors do you suggest that have been tried and true as a performance upgrade? some say neons others say ford, im looking for straight forward info. anything would help!
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Joined: Jul 2010
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From: Oregon in the valley
Year: 1992 Laredo
Model: Cherokee
Engine: 4.0 HO
yeah there in 2.0 motors i think 95' and up. i got some today and that was the only neons i seen them in. I already have them installed and i can say that after running cleaner and good gas throu them my mpg has gone up along with throttle response. they plug right in and when you do get them save the clips and use alittle motor oil to put them in, makes it alot easier. the part # is 280155703
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Junior Member
Joined: Jul 2012
Posts: 64
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From: Denver
Year: 1988
Model: Cherokee
Engine: 4.0 Straight 6
Also from a Ford F-150 with the V8 engine. Has 3 sprays instead of one. I had those on my 90 before I sold it. Problem is you have to buy 8 because they go on a vehicle with 8 cylinders...
CF Veteran
Joined: Mar 2010
Posts: 47,923
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From: Broward County Fl.
Year: 1989 xj sport 2dr
Model: Cherokee
Engine: 12 hole bosch Injectors
703s come in other chrylser products besides neon ...fyi...https://www.cherokeeforum.com/f2/90-...jectors-82523/
Last edited by freegdr; Jul 31, 2012 at 05:32 AM.
Junior Member
Joined: Jul 2012
Posts: 64
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From: Denver
Year: 1988
Model: Cherokee
Engine: 4.0 Straight 6
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From: Prescott, Az
Year: 1990
Model: Cherokee (XJ)
Engine: 4.0
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Joined: Dec 2010
Posts: 182
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From: Covina, ca
Year: 1992
Model: Cherokee
Engine: inline 6 4.0 L
Originally Posted by tkgray9980
yeah there in 2.0 motors i think 95' and up. i got some today and that was the only neons i seen them in. I already have them installed and i can say that after running cleaner and good gas throu them my mpg has gone up along with throttle response. they plug right in and when you do get them save the clips and use alittle motor oil to put them in, makes it alot easier. the part # is 280155703


