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Discussion Starter #1
Hello 355Nation! New member from Grand Rapids, MI! I just bought a 2004 Colorado Z71 4WD 3.5L with just over 100k miles on it, pretty much perfect! I have some ideas for it(after I pay it off heh)
Mod List:
6000k 55w HID lowbeams
6000k Switchback LED front turn signal/parking lights
6000K LED front parking lights
LED Rear Tail/Turn signals
Kenwood Excelon CD Player(RAP mod wired)
Infinity Reference 12" 1200w Sub, slot-ported box
PPI Comp amp(specs unknown)
Snapshot from Progressive<--nanny robot

Currently I am trying to figure out the cause of the horrific fuel mileage, 220 miles through a tank ended up being around 11mpg, and I'd like to see if I can find some tips for the condensation in the headlight housing and turn signal housing

Glad to be a part of the forum, I've already found a decent to-do list for power adders, Im sure I'll find some explanation/fixes for any issue I come across!
 

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Welcome to the nation from another newb.
:welcome2:
 

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welcome.
better mpg - change oils, filter, clean throttle body, good places to start.
cleaning headlights - use toothpaste.
 

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Welcome from South Carolina!!!
 
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TEEBEN,

Hello and welcome to the forum from GM Customer Care!

Safe travels,

Jennifer T.
GM Customer Care
 

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Discussion Starter #13
Toothpaste works on condensation buildup? Here I was thinkin it was only good for fighting plaque
 

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Welcome to the nation
 

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Hey I got s 04 z71 as well. With a little lift and 167000 miles. As for mpg gains. I would do a k&n intake. Resonater delete. Clean the throttle body. And find a good place to get a tune. Mine is up around 19mpg.. a shift kit is also worth the money.. I still need to figure out a oil catch can for the pvc hose.. Getting alot of blow by
 
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