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Old April 15th, 2012, 11:25 PM   #1
Paintballpsyco236
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Default Injector questions and concerns

Well, the time has come to try and figure this stuff out. Regardless of what some may say, I am building the Renix 4.0 in my 88 XJ and am having a couple small issues figuring out what to do about the injectors.

I am building it with the 99+ intake manifold, and exhaust headers, and it is lifted, doing some cooling upgrades, CAI, axles swaps so on and so forth. Everything else up to this has been accounted for to the best of my current ability in regards to the intake modifications.

Basically I am looking for bolt in injectors that can utilize the parts I have now, an exception being possible upgraded injectors. I have all the parts from my 88 XJ, a fuel rail and a set of injectors from a 94 ZJ 4.0. I know the 88 FPR won't fit the 94 fuel rail, and while the injectors will fit, I don't know enough about all the pressure ratings and lb ratings and such to know for certain their compatibility. So, can I just use the 94 injectors and FPR with my fuel pump, should I use the 94 rail and FPR with my 88 injectors, or is there an injector I could upgrade to that will be compatible with those parts?

As a side note, I have a chance to get a set of injectors from a prowler engine, though I know already that it would require me to change the injector plugs... Any idea if they may work?


Thanks for the help, it is greatly appreciated.

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Old April 16th, 2012, 12:38 PM   #2
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I forgot to add that it is a manual trans so I don't have to deal with ANY of those Auto garbage issues... Thanks again,

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Old April 18th, 2012, 01:42 AM   #3
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Also, I do have a set of injectors from an 01 XJ that the donor intake manifold came from, though I know I would have to change out the plugs on my harness and get a different FPR at the very least...

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