[Healeys] The single most confusing engine shutdown problem ever!

[P.M. Pollock]

Tom,

Try a different battery.
I had precisely your experience.  Turned out to be latent damage from having 
been rear-ended several months before.  Just by blind luck - early on before I 
started down a rabbit hole like yours - I happened to notice an odd little line 
in the Bakelite of the battery at the ground post.  Looking closer there was a 
web of tiny cracks radiating out from the post.  It took months for them to 
develop to where the post would intermittently lose contact once the battery 
fully warmed.   Car died-  stare at it scratching head for a while (thus 
allowing the battery to cool), starts fine, warms up......repeat.
Come to think of it that may be when I started going bald.

If the battery doesn't fix it, try new battery cables.  (Pournelle's First Law 
of Computers- check the cables.)

Pete Pollock
BJ7
N. California



On 9/17/2023 7:23 AM, Tom Felts via Healeys wrote:
> Was our driving a while back, engine purring, and suddenly she shut down.  Let 
> it sit for a while and she would start and run for a while--then shut down 
> again.  I tried many fixes which I will list below.  Several times after the 
> fixes she went for miles and miles and I thought I had "fixed" it.  
> Nope-----yesterday----it was AAA tow time once again (3 times this year).
>
> The last 2 shutdown times came when she was idling waiting for a light or for 
> a car to pass.
>
> So here is what I have tried:  * new coil  * new voltage regulator  * new fuel 
> pump  * New ignition switch  * Blew out the fuel lines * pulled float bowls 
> and cleaned them (no debris inside)  * Pulled the distributor plate out and 
> cleaned and oiled it  * disconnected the wire leading from the battery cutoff 
> switch to the coil. * bypassed the entire battery cutoff switch * replaced the 
> Pertronix with a new one  * checked all the sparkplug wires to make sure they 
> were on properly  *  replaced the distributor rotor *Replaced the distributor 
> cap . * checked the small ground wire inside the distributor to make sure it 
> was attached properly.
>
>  All this----and STILL o joy.  I'm really out of ideas at this point.  If 
> anyone has any ideas for me to check please share them.
>
> Thanks
> Tom
>
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