Jeep cherokee fuel injector upgrades? - Mustang Evolution

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Old 04-05-2010, 06:15 AM   #1
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Jeep cherokee fuel injector upgrades?

I heard that they are using ford mustang injectors as an upgrade for the 2001 jeep cherokee 4.0 6cyl.
Does anybody know the details?
I need to know what the stock spray volume is?
Does anybody know were I can get High Performance injectors upgrades and what model or spray volume I should install?
I have been looking for information on upgrading the injectors for a week and haven't been able to find any information.
I could really use some advice.
thanks
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Old 04-05-2010, 06:25 AM   #2
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Jeep cherokee fuel injector upgrades?

The 4.0l responds really well to injector upgrades (5.0L). for a stock to lightly modded motor you want to run 19 lb injectors, for a heavy modded motor, ie turbo, supercharger, nitrous or strokers 24 lb is the way to go.
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Old 04-05-2010, 06:58 AM   #3
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Jeep cherokee fuel injector upgrades?

Backroads bruce, acctually gave me an accurate answer, but I already have done the mods he mentioned. It was my fault for not giving more details in my question. but thanks anyway.
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Old 04-05-2010, 07:28 AM   #4
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Jeep cherokee fuel injector upgrades?

I don't know the mechanical aspects of your answer, but I do know that there are several upgrades that you can do to allow the 4.0 to try a little harder.

Less restrictive exhaust. Make sure your muffler is somewhat free flowing and the tailpipe is at least 2 1/4 inches.

Less restrictive inlet into the air box. The stock Air Filter itself is fine, however the opening into the air box is too small.

Run 93 Octane fuel and not Wal-Mart generic junk. Every 5,000 miles or so, add a 16 ounce bottle of SEA FOAM fuel treatment to the tank. It will keep the engine decarbonized and help it to perform at it's best.

My Jeep 4.0 has 260,000 miles since I purchased it new and has been trouble free!

Bruce

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