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  1. 9

    5.3 with a 4L80E?

    Anyone run a 4L80E behind a 5.3? What would be the pros and cons as compared to a 4L60E. Thanks in advance
  2. 9

    4L60E PWM pump and valve body compatibility

    I have a early one piece case 4L60E Tag 3TAD(1993 4.3L truck). My research indicates that this tag is a non PWM transmission It has a PWM pump and the valve body has a PWM solenoid for the torque converter circuit. I have no knowledge of the history or who put it together. Are these parts even...
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