Reply to "Holley carburettor adjustment needed"

rene4406Member

@panteradoug posted:
Sometimes here we get blind to the actual problem. Often we can have a friend come and look for what they see the issue is. Fresh eyes can help.

You are right but I don't have a friend close to me with good mechanical knowledge.

I put in new spark plugs and activated the "multispark" function of the Pertronix box, there is an improvement, there are fewer misfires but there are still backfires and explosions. in the exhaust.
Among the old spark plugs there were some that looked almost okay and others that were very black and when I plug my strobe light into different spark plug wires, some are much less stable than others.
I am now almost certain that the ignition is the fault and I will order a new spark plug wire harness and igniter cap. My current spark plug wires may not be suitable for a "high performance" ignition like the Pertronix. I half believe it but I don't see what else to change apart from the box itself.

9/2/233:41 AM

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