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  1. 2

    knocking while cold

    its prob piston slap from the number 7 cly. most vortecs over 100k have it i drove my truck 90k like that with no issue. if it doesnt stop after warmup then i would worry
  2. 2

    Thinking of purchasing a Tahoe

    make sure its newer than 1996 you dont want a tbi motor
  3. 2

    how many miles on your hoe

    220k 2nd engine at 200k (although the old one was still running fine)
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