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mpg improvements?

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Old Apr 19, 2008 | 10:26 AM
  #1  
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Default mpg improvements?

anyone know any good mods for improving mpg? will headers help? my 4.3 4x4 is pretty much stock other the some visual upgrades.
 
Old Apr 19, 2008 | 12:01 PM
  #2  
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Default RE: mpg improvements?

Get the PCM tuned for higher octane fuel and matched to whatever other mods you want to do would be the cheapest/most bang for the $

Headers could help, but usually you won't see an increase from headers without doing the rest of the exhaust (high flow cat, preformance muffler..). And then you won't see a real boost from exhaust alone, you need Intake as well as better exhaust flow...so that puts you to a CAI...

And then there is the argument that even with a better intake and exhaust, you won't see much gain without modding to let the engine handle the better breathing...so you'll need the tune or better plugs/wires maybe..

Haha what a slippery slope.
 
Old Apr 19, 2008 | 12:02 PM
  #3  
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Default RE: mpg improvements?

Don't take this the wrong way (most everyone does though), but have you searched? These type of topics have been discussed in quite a few areas. Try a few different criteria, pretty much anything you can think of.
 
Old Apr 19, 2008 | 12:38 PM
  #4  
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Default RE: mpg improvements?

ORIGINAL: WolfPack

Get the PCM tuned for higher octane fuel and matched to whatever other mods you want to do would be the cheapest/most bang for the $

Headers could help, but usually you won't see an increase from headers without doing the rest of the exhaust (high flow cat, preformance muffler..). And then you won't see a real boost from exhaust alone, you need Intake as well as better exhaust flow...so that puts you to a CAI...

And then there is the argument that even with a better intake and exhaust, you won't see much gain without modding to let the engine handle the better breathing...so you'll need the tune or better plugs/wires maybe..

Haha what a slippery slope.
I got an improvement from just putting the new muffler on
 
Old Apr 19, 2008 | 04:12 PM
  #5  
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Default RE: mpg improvements?

I changed my Oil and Added in synthetic oil and used some fuel injecter cleaner and it bumped me from 15 MPG to 19-20 MPG
 
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