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    Looking for advice on basic engine mods to boost performance.

    Here is the breakdown. And I apologize if this is long, or a duplicate. Last spring I bought my dream truck a 1992 GMC Sierra SLE Single cab 4x4. The body had about 159,*** miles on it. Spent most of its life on a farm. The person I bought it from took it and refitted it with a crate 5.7 engine...
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