Re: Plug/ignition wires for 56 Packard 374 v8
Posted by JWL On 2009/12/14 11:34:58
Quote:
Bowman Davis wrote:
BH,
My brackets are bright metal and each bracket has 4 slots with "big" gromets that have slits so they fit down into the slots, in ther words they are the same ones that mentioned in one of the service counselor bulletins as replacement because of complaints the other style allowed the wires to have too much drop or droop...
Bowman, the newer type longer spark plug wire brackets, like you are describing, were installed to reduce cross firing or induction firing between spark plug wires, especially for those cylinders that fired one after the other on the same bank. Droop or drop was not the reason. Also, some solid spark plug wire is TV Radio Suppression type (TVRS). You should be able to fix or replace your coil high tension wire and be good to go. You can easily check to see if you have suppression type wiring by measuring the resistance with an Ohm meter. Non-suppression will show very little resistance, but TVRS will show 10-20k Ohms.
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