Quote:
Originally Posted by TAMark
If they really have AFM with a manual trans this will be a first for GM. Wouldn't be surprised to hear this combo is not compatible on Monday.
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Not only that, I believe it would be a first for any automaker. Mercedes uses cylinder deactivation in their top engines, but only offers them with automatics. Honda uses VCM on their V6, but if you get a manual with it on the Accord Coupe, then you lose VCM. Chrysler uses it on their 5.7L Hemi, but that engine is only paired to a 5 speed auto just like the old Mercedes drivelines. And of course there is GM, which only offers cylinder deactivation on the G8 GT which is permanently married to an auto, you have to get the GXP which has no AFM to get the stick. I'm sure the same is true of the HV V6s GM offers.
I'd like to see them figure this one out--and get the 4-cylinder mode up to 80-90mph. If a tiny 1-2 liter NA 4 banger can go over 100 mph (and they almost all do), then a 6.0-6.2L engine running on 3.0-3.1L worth of 4 cylinder should be able to run a steady state 80mph cruise.