Quote:
Originally Posted by SuperSound
Hate to burst their bubble, but the shudder has been reported on turbo 4s, the CTS-V, and ATS-V which I believe all do not have AFM. Now could AFM be a contributing factor, I'd definitely say yes. The driveline is under the most load then so would make sense. But as stated some time ago in this thread, the slip tables seem the be closer to root cause. The TC materials/QC definitely is on the right track too, since we have heard there are multiple revisions now.
As far as AFM not making a real difference, that depends on your driving habits. I have managed to take the a 25 mile average on the same strip of road (all highway). The difference was almost 6 mpgs (36.6mpg vs 30.4mpg). Most of the people claiming no improvement are driving stop and go, or urban areas which it definitely doesn't make a difference. On the highway at speed, the difference is significant. Is that worth it to some people? Probably not, but that's a matter of personal choice.
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Absolutely...slip tables/TCM tune is also a discussion. GM must be aware because the 17 camaro TCM's have to be hacked to get to the tune which means removing it and sending it off...
On the highway speeds.....what RPM/MPH do you run with the 30mpg? If I can get that on my SS, that would be fine....Also....do you use an AFM disabler or just run it in manual?