Fuel Rail Question
12-20-2012, 01:52 PM
#1
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Location: Huntsville, Tn
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Year: Different Years (I have several XJ's)
Model: Cherokee
Engine: 4.0 HO
Fuel Rail Question
I have a 91 xj with a 99 model intake on it using 703 injectors. My question is this; Can I swap my 91 fuel rail and 703 injectors and replace them with a 2000 fuel rail and 784 injectors? I know theres prob a plug issue with the injector connection but has anyone done this and is it possible? The reason I want to do this is because I race my xj and I am incorporating a fuel cell and changing the fuel pressure.
12-20-2012, 06:20 PM
#2
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Year: 1990 - 2000
Model: Cherokee
Engine: 4.0
You will need a set of USCAR to jetronic adapters to run the 784 injectors with your stock harness. I do not see why you want to swap injectors. The only diff between 703 and 784 is the connector and the part number. Both are Bosch EV6 injectors.
12-20-2012, 06:27 PM
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Year: 1990 - 2000
Model: Cherokee
Engine: 4.0
How much fuel flow are you looking for? It would be better to pick an injector to give the flow you want with the pressure you have. Send me a pm and I may be able to steer you towards an injector.
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