Arcing from Distributor Coil

[gm280]

Ok, I have checked the resistance of all the ignition wires
Spark Plug Lead (Cylinder 1) 33" Long - 16.6Kohms
Spark Plug Lead (Cylinder 2) 33" Long - 16.2Kohms
Spark Plug Lead (Cylinder 3) 28" Long - 14Kohms
Spark Plug Lead (Cylinder 4) 28" Long - 13.8Kohms
Spark Plug Lead (Cylinder 5) 25" Long - 11.5Kohms
Spark Plug Lead (Cylinder 6) 25" Long - 12.2Kohms
Coil Lead 8" Long - 42Kohms

Do you think the resistance in the coil lead is too high? The resistance value is more than twice that of the longest spark plug lead even though its 1/4 its length??

YES I do think your coil wire is too high for the length. But that is just going on the other resistances you posted. The rest look reasonable to me. I would change it for that reason. Because you add that resistance to the other resistances for each plug to get your total on any given cylinder. JMHO

Does that coil lead look any different then the other wires? Is it made out of a different type wire then the other wires? If it looks exactly like the other wires, I would change it.If it doesn't look like the other wires, then it could be made that way to help keep RFI down. Just an opinion.

 

[Birdsboat]

The coil lead has Mercruiser Suppression 4Q87 on it and 5 of the plug leads have Mercruiser Suppression 3Q89 and 1 plug lead has Mercruiser Suppression 4Q89?? I don't understand why 1 of the plug leads has a different number?