After heating the coil in a 200 degree oven for an hour!  Expansion from
high temps is what causes the internal shorts, which may go away when the
coil is cold.  BTDT, more than once!

Stuart

-----Original Message-----
From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of
PSD
Sent: Thursday, November 19, 2015 12:06 PM
To: vanagon@GERRY.VANAGON.COM
Subject: Re: crank, wont start_coil testing

Better just to test for good hot spark.

-----Original Message-----
From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of
Pat Spragge/RFAN
Sent: Thursday, November 19, 2015 1:47 PM
To: vanagon@GERRY.VANAGON.COM
Subject: Re: crank, wont start_coil testing

Digging around, I found this...(from a Porsche mechanic ) so likely close.

Coil Resistance Check
Primary...0.4-0.6 ohms
Secondary...5000-7200 ohms

Does that seem about right?