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lq4

  1. LS & LT Installation Questions and Answers
    Car runs terrific and I get great gas milage. I been very happy with the motor. I took the LQ4 from a Hummer H2 and it had a power steering cooler. The return line that went to cooler I blocked off. Pressure goes to box and return goes to bottom of pump. Problem is my pump is VERY whiny...
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