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M500 #739812 22/04/22 05:18 PM
Joined: May 2019
Posts: 50
Likes: 2
M
M500 Offline OP
Just Getting Started
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Just Getting Started
M
Joined: May 2019
Posts: 50
Likes: 2
Just to update, it does have a ballast resistor but I have even tried another ballast resistor and coil - nothing changes.

I have now removed the dizzy and checked, setting the timing to static, this was just a few
degrees out as it was originally set dynamically, yet to bolt it all up,
late in the day now - you don’t get these problems with a German car!

Thanks for everyone’s help


Mark

1979 4/4 crossflow twin 40’s
M500 #739816 22/04/22 05:58 PM
Joined: May 2019
Posts: 50
Likes: 2
M
M500 Offline OP
Just Getting Started
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Just Getting Started
M
Joined: May 2019
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Update, dizzy removed and checked, static timing set, plug leads checked, replaced points set, Eaststart used, nothing not even firing. It only took God seven days to create the world, I have spent four days so far and nothing!


Mark

1979 4/4 crossflow twin 40’s
TBM #739818 22/04/22 06:06 PM
Joined: Dec 2017
Posts: 2,040
Likes: 71
Talk Morgan Expert
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Originally Posted by TBM
It is strange!

To confirm - you have a good spark at each plug and plugs are getting wet when you're cranking the engine over. That would suggest fuelling and ignition is OK.

It would suggest a timing issue? Can you get a rough idea of timing using the crank pulley timing marks? Static timing should give it enough to get it to start.

I wonder if it might be a problem with the dizzy shaft? Maybe the worm drive has sheared a tooth and she's skipped a few degrees.


I am not clear from the responses that there is a spark at the actual spark plug, only that there is current in the spark leads.


Bruce
1964 4/4 Series V Comp (Megan)
1994 +8 (Maurice)
2013 M3W (Olga)
M500 #739819 22/04/22 06:08 PM
Joined: Nov 2018
Posts: 6,056
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Originally Posted by M500
Update, dizzy removed and checked, static timing set, plug leads checked, replaced points set, Eaststart used, nothing not even firing. It only took God seven days to create the world, I have spent four days so far and nothing!


Are the plugs getting wet?


1972 4/4 4 seater, 1981 MGB GT
1984 Harley Davidson Electra Glide, 1990 Kawasaki ZX10
M500 #739822 22/04/22 06:45 PM
Joined: Mar 2013
Posts: 826
Likes: 6
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How well is the battery surviving the depletion caused by all of the failed diagnostics?. Imperative that battery be "fully" charged
or at least backed-up with external charging facilities. A serious verification of shiny-bright engine grounds and battery cable
connections as well as cable integrity itself is assumed to have been undertaken. Even slight moisture will often seriously
negatively impact starting current requirements, even though starter may seem to be spinning the engine adequately.
All I have left to positively contribute, but I'll certainly continue watching the thread with interest. cheers


Bert & B1800
"Tis well enough to know how much to know; and when to know, not to know, too much."
M500 #739825 22/04/22 07:06 PM
Joined: Jun 2019
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Maybe pull a plug out, leave it connected, and ground it. See if a good spark is jumping. It sure sounds electrical if the easystart doesn't do anything.


Paul

1973 4/4 "Henry A"
1953 +4 Flat Rad "Pug"
1984 Citoen 2CV Special "BeBe"
https://morgan34.org/
M500 #739828 22/04/22 07:24 PM
Joined: May 2019
Posts: 50
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M
M500 Offline OP
Just Getting Started
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M
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Yes the plugs are sparking and getting wet, the battery leads have been off and cleaned, another earth leat to the block has been added, the battery has been charged every day as well as using a heavy duty jump start. I also have a new battery from Tanya batteries, so as far as power is concerned I don’t think I can do any more


Mark

1979 4/4 crossflow twin 40’s
M500 #739830 22/04/22 07:45 PM
Joined: Oct 2019
Posts: 5,041
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Sorry if this sounds insulting but you are timing it to the right stroke on the right cylinder (ie not #4 instead of#1) ?..... just that if you have spark, fuel and the valves are opening and closing and the pistons going up and down then timing must be a serious suspect.

I know mine wouldn't do anything at all once and I found I'd got clockwise and anticlockwise crossed in my head and put the plug leads back in the dizzy cap the wrong way round ... absolutely zip! .... took an hour to twig .... oh how I laughed! 😉


K

M500 #739833 22/04/22 08:02 PM
Joined: May 2019
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M
M500 Offline OP
Just Getting Started
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M
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Thanks Image, yes I got to the stage of self doubt and tried it 180 degrees out, nothing same as before, I know it points to timing but but nothing seem to work


Mark

1979 4/4 crossflow twin 40’s
M500 #739836 22/04/22 08:16 PM
Joined: Nov 2018
Posts: 6,056
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Have you tried wiring the coil directly to the battery (via the ballast so you don't overload it)?

I had problems in the past with the ballast feed from the starter solenoid (fixed with a new solenoid) and also a dodgy rev counter cutting out the feed to the coil at certain times.

I know you've got a spark, but you know how it is with electrickery.....

It does sound weird that the timing is OK, fuel is getting in and you're not even getting a flutter with easystart.


1972 4/4 4 seater, 1981 MGB GT
1984 Harley Davidson Electra Glide, 1990 Kawasaki ZX10
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