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5.3 Chevy Overhaul

This is a discussion on 5.3 Chevy Overhaul within the Internal Engine forums, part of the LSx Technical Help Section category; Hello everyone! I am brand spankin new to this forum, and I have heard that this is an excellent place ...

  1. #1
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    Blue Granite
    2009 Chevy Silverado

    Question 5.3 Chevy Overhaul

    Hello everyone!
    I am brand spankin new to this forum, and I have heard that this is an excellent place to receive info on what I would like to accomplish.
    I have a 2009 Silverado with a 5.3. I have had this truck since it had 3 miles on it, and want to overhaul the engine. I have been doing a lot of reading lately and it seems that replacing the stock valve train seems to be a pretty good option to persue.
    So, many questions here. I have a couple friends who will be helping me on the project who are very adept mechanically. But my question to you all is how far will I have to go to make 350-400 rwhp out of this truck. Right now I am not concerned so much with price. I am just hoping to pick some of the vast knowledge that resides on this forum.
    Thanks
    Buck

  2. #2
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    pajeff02's Avatar
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    Black & Blue
    '02 WS.6 / '07 Suburban

    Welcome to the site!

    Is there an issue with the motor, or are you simply looking to up the power?

    I have a 5.3 in our '07 Suburban that is running very strong at 94,000 miles.

  3. #3
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    Blue Granite
    2009 Chevy Silverado

    Hey Jeff
    Thanks for the response. The engine is fine. It will soon need a new water pump and belts, but that is minor. I am simply looking to give the engine a complete overhaul to keep it performing as it should for a long time. I decided that in doing this, I might as well bump it up and let it run to the fullest of its abilities. So, this project has been born in my mind and now I am into the research phase of it.

    - - - Updated - - -

    I happen to be located fairly close to you (Clearfield).

  4. #4
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    Black & Blue
    '02 WS.6 / '07 Suburban

    Honestly, unless you are having issues I would leave the engine alone. These things generally go 200,000 with little or no issues.

    You're not too far at all -- come join us at Beaver Springs Dragway next summer and the GM Carlisle event in June!

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