Has anyone of us here ever really put any brain power into designing, building and testing a car starter system, be it purchased or home built?

I know that in our Diesel cars, the vacuum shut off really limits us in this.

the gears in my head are turning...

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RIP: 80 300SD
RIP: 79 450SEL
2002 E430 4matic (212,000km)
2002 ML500 'sport'

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FACEBOOK: PANZER450