In article ,
says...

On Sat, 17 Jan 2015 14:39:13 -0600, Boating All Out
wrote:

In article ,
says...


Here's a link that works.

http://tinyurl.com/njrwkpk

This is far more complex than a starter motor with little added value.

That's irrelevant. You asked how it could be done. That's one way.
The OHC and fuel injection were once thought of as "too complex."
There are many "improvements" to modern cars that are of questionable
value. I don't need power seats or windows, for instance.