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    Manual Trans LS Swap Questions

    I have a 1990 K1500. It currently has a SM465. I'm planning on dropping in a 5.3 out of a 99 Silverado to replace the current carbed mild-built sbc. I'm looking to swap the SM465 for a box w/overdrive, probably a NV4500 or something similar (have considered an NV3500, but not too sure on how...
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