Thanks Levi & Jim C, others -
It all makes perfect sense once it's explained.  ;-)

Larry T (67 MGB, 74 911, 78 240D, 91 300D)
www.youroil.net for Oil Analysis and Weber Parts
Test Results http://members.rennlist.com/oil
Weber Carb Info http://members.rennlist.com/webercarbs
Porsche Road Test http://members.rennlist.com/roadtest/
.
----- Original Message ----- From: "Levi Smith" <[EMAIL PROTECTED]>
To: "Mercedes Discussion List" <mercedes@okiebenz.com>
Sent: Friday, July 28, 2006 12:25 PM
Subject: Re: [MBZ] Electrical Theory


They're CALLED 12V batteries. They are actually 13.2v. You need more than
that voltage so that it brings it up to that level and/or otherwise has
spare power without worrying about running down the battery.

Levi

On 7/28/06, LarryT <[EMAIL PROTECTED]> wrote:

One more electrical question - I believe alternators charge at a rate
around
14.5V - correct?  Since the typical battery (and electrical components)
in
our cars are rated at 12V - why is the extra 2.5V needed - wouldn't the
system work as well if the alt was running at 12.5V -

TIA -

Larry T (67 MGB, 74 911, 78 240D, 91 300D)
www.youroil.net for Oil Analysis and Weber Parts
Test Results http://members.rennlist.com/oil
Weber Carb Info http://members.rennlist.com/webercarbs
Porsche Road Test http://members.rennlist.com/roadtest/


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