Tag: 4L80E

  • The GM 4L80E transmission is a computer –

    [ad_1] The GM 4L80E transmission is a computer-controlled unit that is the TH400’s successor. This transmission is basically the TH400 with the addition of an overdrive gear. Both transmission models are legendary due to their elevated level of reliability from the factory and, although their specs are similar, the 4L80E is several inches longer. This…