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2.5 Injector upgrades

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Old May 30, 2013 | 06:18 PM
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From: Broward County Fl.
Year: 1989 xj sport 2dr
Model: Cherokee
Engine: 12 hole bosch Injectors
Default 2.5 Injector upgrades
Any info from 2.5 guys on what injector fits what year motors . Thanks
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Old May 31, 2013 | 08:57 PM
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Year: 1989 xj sport 2dr
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Engine: 12 hole bosch Injectors
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Does any one got any knowledge if 703s will work?
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Old Jun 1, 2013 | 06:42 AM
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Year: 1990
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Originally Posted by freegdr
Does any one got any knowledge if 703s will work?

MPI, I see. I'm clueless. I have a complete new TB with injector for TBI.
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Old Jun 1, 2013 | 06:50 AM
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Engine: 12 hole bosch Injectors
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will a 703 be a upgrade for a 91 to 96 2.5s is what im getting at ,cant find any yes or no info.
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Old Jun 1, 2013 | 06:58 AM
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I guess you'd have to find out for sure if the 2.5 and 4.0 used the same injectors.
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Old Jun 1, 2013 | 07:02 AM
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From: Broward County Fl.
Year: 1989 xj sport 2dr
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Originally Posted by cruiser54
I guess you'd have to find out for sure if the 2.5 and 4.0 used the same injectors.
Pressure wise being most important factor correct.
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Old Jun 1, 2013 | 07:04 AM
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That, and flow rate.

I guess what I'm guessing is:

If the 2.5 uses an XYZ injector, and the 4.0 uses the same one, you could use the upgrade 4.0 injectors in a 2.5.
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Old Jun 1, 2013 | 07:14 AM
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Engine: 12 hole bosch Injectors
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Found a little info finally ....https://www.cherokeeforum.com/f10/in...-30lbs-127580/
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Old Jun 1, 2013 | 07:26 AM
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So maybe 2.5 and 4.0 use the same injectors?
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Old Jun 1, 2013 | 07:34 AM
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Year: 1989 xj sport 2dr
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Engine: 12 hole bosch Injectors
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Guess im gonna see after I make sure 746s work better than 703
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Old Jun 1, 2013 | 07:36 AM
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Originally Posted by freegdr
Guess im gonna see after I make sure 746s work better than 703
Don't you have a 4.0 in your XJ?
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Old Jun 1, 2013 | 07:43 AM
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From: Broward County Fl.
Year: 1989 xj sport 2dr
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Engine: 12 hole bosch Injectors
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Originally Posted by cruiser54
Don't you have a 4.0 in your XJ?
Yes gotta make money back spent buying new injectors buy installing old 703s in a 2.5
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