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Recent content by James Marcellus

  1. J

    4.3 loses power under load

    I have a 2007 Tahoe 196 Q4 with a 4.3 2bbl and Alpha I that I've had for 3 years. The engine has always been a little cold natured (prev owner said same), let it warm up for 4-5 minutes and it has been running great. After sitting for 4 months this winter with a full tank, we took it out in late...
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