domn8tr Posted August 10, 2019 Report Share Posted August 10, 2019 Recently my 521 has been dying when I come to a stoplight. Usually it starts right up but today it seemed like it almost fired but then wouldnt start. I pulled the fuel line but it had gas. Then I checked for spark and nothing. I towed it home and it started right up. It has a Matchbox dizzy and the bigger coil to go with it. I suspect the coil but I'm not sure. I also just replaced my alternator and found a burnt regulator. I replaced the burnt TL1Z-57G 12v 408 one with a 510 regulator i had laying around. its marking is 30-503 im assuming thats not a problem as theyre both 72 datsun. Quote Link to comment
wayno Posted August 10, 2019 Report Share Posted August 10, 2019 I had this type of thing happening when I didn't have the plastic "T" plug for my wires going to the matchbox distributor, with the engine moving around in the engine compartment, especially when I left off the pedal, the wire on the top of the "T" got bent and started touching the other wire and the engine would die, sometimes when I pushed in the clutch it would come back to life. Do you have the proper "T" plug for the distributor wires going from the coil to the distributor? Quote Link to comment
datzenmike Posted August 10, 2019 Report Share Posted August 10, 2019 Is it a Nissan coil or some after market thing??? Next time take a thermos of ice water with you and when it quits, pour the cold water over the body of the coil to cool it down. If it starts after a few minutes the coil has some thermal problem. If still no go, cool down the matchbox module with the ice water. Quote Link to comment
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