I have an automatic, 93 LT-1 that I autocross. The course that I was running was low speed and I could run in \”L\” range and stay off the rev-limiter. While staging in my next to last run, I found that the automatic transmission was not shifting until 3500 rpm, unless I would take my […]

The 6 speed manual transmission in 1989-1996 Corvettes was produced by German automotive components company ZF Industries http://www.zf-group.de/. The Corvette Owners Manual clearly states that this transmission does not need service, but the transmission fluid level should only be checked and kept full. A bit of research confirmed that ZF does not share this recommendation […]

This was my first time removing an automatic transmission from a Vette so I thought I\’d share the experience. First off, you\’ll need to get the car elevated. I managed to pull this off with the car on jack stands and less than 13 inches of clearance. Don\’t even think about reinstalling the tranny without […]

For those of you experiencing difficulty with the 1 to 4 shift lock-out, or for those of you who wish to experience shifting through all your six gears, here is a simple fix: on the passenger side, just in front of the fire wall, and mounted on the fender well, is a relay, that when […]