On Sep 1, 2007, at 4:03 PM, FastmetalBDF@aol.com wrote:
> Electric Solenoids operating valves on an internal combustion
> engine, you
> ask ??? How about the Cadillac model a few years back with
> rockers controlled
> by electrical signals so it could cruise on 4 cylinders after
> getting up to
> speed on 8, and then 6, as it approached cruising speed ? Wasn't
> it referred
> to as the 4-6-8 Cadillac Mileage Motor ? Another Motor Marvel
> relegated to
> the dustbin of 20th Century Wonder Cures for All that Ails Your
> Auto ? At
> least this one got put into production ..... Was it not a
> success ? Too much
> maintenance involved ? Bruce, recalling waaaay back in my pre-
> teen years
It tanked. I guess the theory was good, but tech wasn't up to the job
yet, so the motor ran poorly on 4 and 6, had little or no power at
that range, and then was still a gas hog (which is what the 4-6-8
design was trying to solve)
All new Chrysler Hemis run on a similiar "displacement on demand"
design, 4 cylinder cruising with v8 power. They average 20mpg.
> <snip>
~Jon
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