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tips for better mpg

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Old Jan 31, 2013 | 07:52 PM
  #16  
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Originally Posted by XjZack
What brand of cap and rotor and plug wires do you recommend?
MOPAR.
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Old Jan 31, 2013 | 07:54 PM
  #17  
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Originally Posted by 1998redxj
MOPAR.
Thank you!
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Old Jan 31, 2013 | 07:56 PM
  #18  
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Originally Posted by XjZack
What brand of cap and rotor and plug wires do you recommend?
Accel are the only ones iv ever seen o.O
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Old Jan 31, 2013 | 08:05 PM
  #19  
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After how many miles should you replace the coil?
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Old Jan 31, 2013 | 08:06 PM
  #20  
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Originally Posted by 1998xjspt

Accel are the only ones iv ever seen o.O
Really? I have mopar cap, rotar,and wires in my 98. Just installed them 3 days ago with new champion plugs and a new air filter. Also have a mopar oil filter. Runs like a top.
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Old Jan 31, 2013 | 09:15 PM
  #21  
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Originally Posted by XjZack
What brand of cap and rotor and plug wires do you recommend?
Any reputable cap & rotor with *brass contacts* is good. I have Champion/BWD. As for wires I really like Belden and NGK.
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Old Feb 1, 2013 | 04:26 AM
  #22  
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Originally Posted by cruiser54
Get this meter installed in the cabin. Watch it as you drive:
Originally Posted by CCKen

Excellent troubleshooting tool. People rarely use it as such.
Originally Posted by PNWjeeper
For those less knowledgeable on vac pressure (like myself, amongst other things) can some one explain how that's going to help?
Soooo..... anything?
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Old Feb 1, 2013 | 04:57 AM
  #23  
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Originally Posted by 1998redxj

Really? I have mopar cap, rotar,and wires in my 98. Just installed them 3 days ago with new champion plugs and a new air filter. Also have a mopar oil filter. Runs like a top.
Yea man, well, atleast the ones forsale. I got mopar cap, rotor & wires but if I were to buy new ones, odds are it'll be accel...unless anyone got a recommendation on another brand that would be better??
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Old Feb 1, 2013 | 06:01 AM
  #24  
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Originally Posted by PNWjeeper
For those less knowledgeable on vac pressure (like myself, amongst other things) can some one explain how that's going to help?

It's not pressure, it's vacuum. The higher you keep the manifold vacuum, by using the skinny pedal sparingly, the better the fuel economy.

Read this about all the diagnostics you can do with a vacuum gauge. A testing type gauge can be purchased for less than $20.

http://www.classictruckshop.com/club...ts/vac/uum.htm
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Old Feb 1, 2013 | 12:33 PM
  #25  
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I recently had exhaust work done at the dealership and pretty confident they put in a new downstream 02 sensor in the new cat I received. My question is, is it important to have matching 02 sensors? Both the same Brand? Or can I just buy any Upstream one I want (I know to still buy a quality piece).
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Old Feb 1, 2013 | 12:48 PM
  #26  
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Originally Posted by xj guy
I recently had exhaust work done at the dealership and pretty confident they put in a new downstream 02 sensor in the new cat I received. My question is, is it important to have matching 02 sensors? Both the same Brand? Or can I just buy any Upstream one I want (I know to still buy a quality piece).
Ive always heard to use the same ones and use the factory o2 sensors
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Old Feb 1, 2013 | 02:21 PM
  #27  
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If you always use NTK then you'll always have NTK. These are factory 91+

I believe Renix models use Bosch, someone else may confirm that.
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Old Feb 1, 2013 | 04:21 PM
  #28  
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Another fairly cheap gain is the injector swap. After I switched to the 703's I gained almost 2 mpg. Not bad for a $65 mod. Its one of those things where everyone gets different numbers though.
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Old Feb 1, 2013 | 09:57 PM
  #29  
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Originally Posted by salad
If you always use NTK then you'll always have NTK. These are factory 91+

I believe Renix models use Bosch, someone else may confirm that.
Renix use NTK also
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Old Feb 2, 2013 | 12:12 AM
  #30  
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So I was looking at this thread for more mpg tips
https://www.cherokeeforum.com/f51/bu...location-2599/
And it made me think after you relocate the IAT sensor you have a hole that needs to be plugged right? But I was thinking this would be a good spot to hook up that vacuum gauge cruiser was talking about earlier, there wouldn't be a problem with the vac gauge being hooked up there would there?

Last edited by PNWjeeper; Feb 2, 2013 at 12:20 AM.
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