Chevy 4L60E to 4L80E Transmission Swap Goodbye 4L60E, Hello 4L80E Ken BrubakerWriterApr 01, 2010 ...

A lot of Jeep guys want to go right to the 4L80E for their porky or big-tired Jeep, but the fact is there are even four-door JKs running 4L60Es with no problems. The 4L60E is lighter, shorter, and ...

If only there were a little computer you could slap on your firewall that could connect your electronic fuel injection with your fancy new 4L60E, 4L65E, 4L80E, or 4L85E transmission.