Is improved fuel economy incoming?
Certain models swap the ten-speed for the eight-speed.
Some models that were previously equipped with the 10-speed automatic transmission will now get the 8-speed.
Here’s why it wasn’t added from the factory.
Interestingly, the Camaro is automatic only!
Here’s a hint – they’re both Chevys.
Two-pedaled transmission option now offered with 1LE package.
It could be a prerequisite for the 6.6L L8T V8 engine.
GM has a technical service bulletin for the problem, but no official fix.
Have a high-horsepower build? The SuperMatic is for you.
This is what happens when two very different worlds collide.
Could the GM unit exhibit similar problems?
A transmission flush using a new fluid may finally fix the shudders and harsh shifts of GM’s 8-speed gearboxes.
The fact that the 8-speed is still around is mind-boggling.
The eight-speed automatic transmission found in numerous GM vehicles is the alleged problem.
The PTO is optional on the 10-speed “Allison” transmission that’s mated to the 6.6L Duramax diesel.
The Class 4, 5 and 6 trucks offer 16 transmission options.
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