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It Ain't Running Right!


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Non-emission L24  engine is spec'd at 17degree initial.  The emission version is 5 degrees.

 

Check page ET-3 of the L20A, L24 Service manual.

 

 

You should be able to work anywhere between 5 and 17 degrees so long as you don't over shoot 36-38 degrees at full advance ~3000 rpm.

 

 

The faster your motor will advance after 1200 rpm, the better your motor will pull so long as you do not ping by advancing too quickly. (The weights, springs and canister on your distributor take care of how the timing advances from initial to full).

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Something very strange has happened!! Yesterday was the first day in week i had time to tinker the car, so i started with my long planned speedo change. I had taken the old off beforehand, now was time to put the "new" one in. Well i succeeded in that and was planning to go to test drive to see if it works. Well i did not have my tachometer on and for some crazy arse reason the car did not start. Starter turned but engine did not start. I was mezmerised. Well decieded to check that engine problem later and put the tachometer back on and connected all the wires. After that car starts...OR TRIES. For some reason everything has gone straight to hell. It barely starts, stumbles like crazy, backfires from carbs and exhaust, engine shakes like crazy and only stays on if i hit pedal to the metal but i do not dare to do that, im afraid something has gone horribly wrong. I tried to tinker the timing, but no matter what i do, its just $^!#. No matter how retarded or advanced, it barely starts. Tried with 2 different distributor caps, 2 coils (another one was a MSD Blaster 2, but it apparently does not like the ballast resistor so it did start but died of instantly). Also checked plugs, they were all okay but equally black and wet. I checked all idle mixture screws, they were 1.75 turns open, i dialed them to 1.5. No change.

Heres couple videos me trying to start it.

 

 

https://www.dropbox.com/s/x8rdlchur2m56qt/20150426_204707.mp4?dl=0

 

https://www.dropbox.com/s/s5g6jzh2382diit/20150426_204532.mp4?dl=0

 

I've already stressed her out so many times that i did not dare to press the pedal and so you dont hear when she's actually running...wich is just plain scary.

 

I dont know what to do.

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The reason it didn't start with the tach out is because the coil wire runs thru the tach to give you a reading. It's a current driven tach, so all your ignition current goes thru it. when you pulled your tach you disconnected your ignition.

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I don't think that's likely. The tach is between the battery and the coil.

 

With the tach not installed, the entire rest of the ignition circuit is stone cold dead. No power at all and no energy to cause any damage.

 

In other words, the points are opening and closing, but there's no power to switch.

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Neither of those Dropbox videos will play on my system.  Don't know if it needs a sign-in or what.

 

He says that it runs now, but very poorly, so the tach and igntion system seem to be powered.  Considering that the plugs were fouled when there was no spark, I would install new, clean plugs, set everything back to where it was, and try again.

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