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July 17, 2010 - Here's a peek at the differential from the Camaro.
In 1998, the Z28 came with a Positraction differential. In 1999, that was changed to a Torsen. This is a Posi, although I do have to admit to resorting to Google to make sure I wasn't looking at some sort of Phantom Grip nastiness.
Miatas used Torsens from 1994, and it's a great differential. Very easy to drive. But the V8 cars we've been building at Flyin' Miata have been using a differential from a Cadillac CTS-V, and I've been very impressed with their ability to lay down power. The theoretical increase in turn-in understeer hasn't been a problem. I'm pretty sure it's a very similar Positraction to this one. So I'm happy that my donor came with this unit.
tags: suspension, rear axle