Quote:
Originally Posted by Franco Cozzo
I imagine we would have been having the same discussions 30 years ago about how complex 4L60E/4L80E were with their electronics compared to TH700/TH400 autos at the time being mechanically controlled.
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1st gen "electronics" were limited, and besides the 4 speeds were relatively straight-forward. The box didn't "care" if you put it in a different car.
With an 8-speed box, it's pointless unless you can reprogram the box to suit your engine and car.
But the big challenge now seems to be the level of integration, particularly with traction control and stability control.
People love transplanting Barras into older cars, so I imagine those computers are relatively independent. You can drop the Barra in and it doesn't care that it's nolonger in an FG.
But with more modern cars, without full integration and feedback with all the systems, the engine and tranny either won't run, or go into limp mode.
Modern traction control seems to be the biggest issue, with all the sensors.
Again, simpler systems you could just turn the TC off, so running it without TC shouldn't be an issue, but modern systems are never really completely off.