Quote:
Originally Posted by Heihetech
Hi all. This is my first post here, but I already posted my invention called
Dynamic Cylinder Deactivation, or DCD for short, in a thread with the same
name. DCD makes engine displacement variable by electronics. So just by
clicking the button, the number of active cylinders in DCD controlled engine
can be changed in no time, saving fuel with reduced power. But when you
need larger or full power, just clicking the botton to go back to it was no DCD
control.
DCD concept has been made into DCD Controller product these days. So
anyone who plans to do 4cyl to 2cyl mode, or 6cyl to 3cyl mode, is welcome
to try this electronics gudget before you start mechanical moding. DCD
will let your dream become true, with reasonable time and expense, saving
fuel while keeping good drivability.
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I have a Popular Science here from 1984 and GM has cylinder deactivation. It is simple in theory, but the least expensive and most reliable method is to use parts from production cars with cylinder de-activation. I know of Honda and GM/Chevy systems using cylinder deactivation.