Re: My New 1956 Packard Clipper Deluxe

Posted by JWL On 2009/5/5 10:14:24

The change in spark plug wire brackets was to provide more separation between the wires to prevent induction firing. This was particularly a problem with the two cylinders on a bank that fired one after the other. I believe they would have been the rear two cylinders on the right-hand bank on a Packard. On other V-8 engines this would have been the front two cylinders on the lift-hand bank. It depended upon the firing order. Dave is correct that to see original high tension spark plug wiring on an engine of this age is rare, especially since it is a 1956. This is especially rare when you consider that the carbon impregnated conductors failed regularly. Replacing spark plug wires was a regular part of a tune-up job in those days.