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  1. 911 Problems Forum
    I have a 2005 lly with 107k and it has never been modified or abused. About a year ago I had it push coolant and since then it has had a hard upper radiator hose and it has pushed coolant out a handful of times. It also will run hot randomly and the weather does not effect it. I have not had a...
  2. General Discussion
    Just curious what’s there to look out for on these trucks? What’s the highest you’d want to see your egts? Can you install an bigger or better radiator for better cooling ? If so what brand? What will Gain with a bigger inter cooler? Do I absolutely have to have head studs? I’m not racing this...
  3. 2001 - 2007 (GMT800) Non Powertrain
    I apologize in advance if this was already answered. I’m new to forums and couldn’t find a write up (if there is one) Owner before me put in a mishimoto radiator and it is leaking in a few places. I’m more than likely going to go back with an OEM radiator and going to be doing it myself. Is...
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