OK how's this for a thought experiment:
We know what factory DoD returns (7-20%), and we can safely say shutting down cylinders w/o shutting down the valves as well would not work as well as that, otherwise why would the factory go through all the effort?
So is it worth it for a possible fe improvment of up to likely less than 20% and maybe even an fe decrease? (Your car 29 x 1.2 = 34)
Check this out:
http://ecomodder.com/forum/showthrea...ssion-968.html