More Power And Fuel Economy
Thread Starter
Junior Member
Joined: Mar 2010
Posts: 43
Likes: 0
Model: Cherokee
Engine: 4.0 high output
Hi i just baught a 94 cherokee and have to travel with it every day to work and high school. i travel 26 miles a day and am just trying to squeze alittle more gas millage out of my engine to save money and give it some more power at the same time. not crazy power just better throttle responce and stuff to keep my engine running clean.Just didnt know if any body new of any kits to help the cherokee's run better and to get gas millage. im open to all suggestion and exhaust modifactions.
*makin it sound nicer wouldnt be to bad either. These are some parts i found and didnt know if anyone used them
*AIRAID® Cold Air Dam Intake
http://www.quadratec.com/products/17008_102_07.htm
*Accel Super Tune-Up Kit
http://www.quadratec.com/products/55126_903.htm
*Street & Performance Electronics Helix Power Tower Plus Throttle Body Spacer
http://www.quadratec.com/products/17009_000.htm
*makin it sound nicer wouldnt be to bad either. These are some parts i found and didnt know if anyone used them
*AIRAID® Cold Air Dam Intake
http://www.quadratec.com/products/17008_102_07.htm
*Accel Super Tune-Up Kit
http://www.quadratec.com/products/55126_903.htm
*Street & Performance Electronics Helix Power Tower Plus Throttle Body Spacer
http://www.quadratec.com/products/17009_000.htm
CF Veteran
Joined: Nov 2009
Posts: 1,261
Likes: 0
From: New Jersey
Year: 1996
Model: Cherokee
Engine: 4.0 HO
Search Injector Upgrades and you'll have all your answers. You can use Dodge Neon fuel injectors or Ford 19 lb injectors from a 5.0L Explorer. The stock Cherokee has a one hole spray and the types I mentioned have a 4 hole spray pattern. This makes the fuel atomize better and makes for an increase in gas mileage, throttle response, and smoother idle. I used Ford 19 lb injectors adn my MPG went from 11.6 to 13.2, so they do work. Also, it is a direct swap. Here's pretty much all the GOOD info https://www.cherokeeforum.com/f2/mor...13848/index13/ but it doesn't hurt to search around.
CF Veteran
Joined: Nov 2009
Posts: 1,261
Likes: 0
From: New Jersey
Year: 1996
Model: Cherokee
Engine: 4.0 HO
It's all on the forum. Just search injector upgrade and they'll be plenty of threads on it. A forum member that goes my the name "rainman" seems to have done lots of research and pretty much knows all there is to know about it.
CF Veteran
Joined: Jan 2010
Posts: 3,379
Likes: 0
From: Forest, VA
Year: 1999
Model: Cherokee
Engine: 4.0 I6
quick question... here's the link. is this too much for a stock 99 xj?
http://www.google.com/product_url?q=...hl=en&sa=title
http://www.google.com/product_url?q=...hl=en&sa=title
If you get 16-19mpg then be happy. Also adjust your throttle cable. 
All the little things don't do much unless you do a lot of them and then you end up with a little for a lot. Better to be happy and spend the money elsewhere.
Might as well turbo it with a straight pipe at that point.
All the little things don't do much unless you do a lot of them and then you end up with a little for a lot. Better to be happy and spend the money elsewhere.
Might as well turbo it with a straight pipe at that point.
CF Veteran
Joined: Nov 2009
Posts: 1,261
Likes: 0
From: New Jersey
Year: 1996
Model: Cherokee
Engine: 4.0 HO
quick question... here's the link. is this too much for a stock 99 xj?
http://www.google.com/product_url?q=...hl=en&sa=title
http://www.google.com/product_url?q=...hl=en&sa=title
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