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  1. OEM Issues
    I have 04 Trailblazer EXT 4.2L VIN S 8TH DIGIT, that i did an engine swap after blowing the original. :sadcry: The engine was from an 03 but everything went fine and the truck drove fine for over 2 month (at least 400). i started having a problem with it not shifting gears without the engine RPM...
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