<VV> Coil voltage

[Charles Lee]

Thanks for the "points open vs. points closed" bit, since I can now add that
to my pile of anomalies that confused me, intil now.

I hope our friend finds his problem, but you all solved mine, so a big THANK
YOU to all!!!!

Charles Lee


-----Original Message-----
From: VirtualVairs [mailto:virtualvairs-bounces at corvair.org] On Behalf Of
Jim Becker via VirtualVairs
Sent: Monday, March 18, 2019 7:21 PM
To: larry at forman.net; Bryan Blackwell
Cc: JUDY HOOK via VirtualVairs
Subject: Re: <VV> Coil voltage

My first thought was also cam timing.

On your voltage measurement, your expected 8 volt reading is about right if 
the points are closed.  When open, you should see full battery voltage.

Jim Becker

-----Original Message----- 
From: larry--- via VirtualVairs
Sent: Monday, March 18, 2019 8:57 PM
To: Bryan Blackwell
Cc: JUDY HOOK via VirtualVairs
Subject: Re:  Coil voltage

Hi Bryan,

This sounds suspiciously like a problem I had with the Devin C where the
cam gear slipped and the timing was way off.   After forever
troubleshooting it, I finally drained the oil and dropped the oil pan to
see that the "O" mark was off about a tooth and a half.

Good luck and let us know what you find as the cause.

Larry

On 2019-03-19 01:36, Bryan Blackwell via VirtualVairs wrote:

> Hi folks,
>
> The patient is a '63 coupe, 102/4 w/A/C.  Car has never really run 
> 'right', so a lot of stuff has been changed - new plugs/wires, new carbs, 
> new carbs, new fuel tank, etc.  It still doesn't run right, and one 
> symptom is the ignition has to be waaaay advanced to get it to run. 
> Compression is good and I verified the TDC mark is indeed TDC.  Dist is 
> aligned correctly with #1 on compression and the firing order is right. 
> No backfires of any kind.  Car still has the original dual pulley, so it 
> can't have slipped anyway.  The wiring harness looks original to the car 
> and other than some wear here and there appears unmolested.
>
> Not only does the car not feel right according to the owner (I haven't 
> driven it), it also sometimes dies and won't restart, and does not like 
> running once warmed up.  We had it running briefly, then it died and no 
> amount of coaxing, including starting fluid, would get it to restart.
>
> I suspect, based on the intermittent nature of the problems in particular,

> that there's an issue with the wiring.  I do get spark when cranking, but 
> then it should have fired on the starting fluid, so I'm thinking it won't 
> fire under any sort of load.  When I put a meter on the coil, key on but 
> not at start, I got 12V.  I'm pretty sure that's wrong, I saw what I 
> thought was the braided wire in the harness so it should be 8 or so with 
> key 'ON', correct?
>
> --Bryan
>
> Bryan Blackwell | Fairfax Station,  Va. | bryan at skiblack.com | 
> http://autoxer.skiblack.com/
> CORSA Eastern Div Director
> Corvairs: '62 700 Wagon, '64 Greenbrier, '65 Corsa, '66 Corsa
> '69 Road Runner, '99 Neon R/T, '00 Miata SE, '09 Ford F-150
> "Why do something if you're not going to obsess about it?"
>
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