Welcome from Wisconsin! I also have a '68 300.
1956 DeSoto Fireflite Sportsman 2-door hardtop
1959 DeSoto Fireflite Sportsman 2-door hardtop
1966 Plymouth Fury III Commando V8
1968 Chrysler 300 fast top 440 TNT
1992 Plymouth Sundance Duster V6
With having swapped as many parts as you have, it seems to be something in the assembly of that particular wheel as opposed to a part issue. You mentioned you installed two different brands of hardware, but are all of the hardware components (springs, adjuster wheel, etc.) installed in the...
There are only a couple of battery manufacturers for most of the automotive battery brands sold in the US. The ones made by Johnson Controls used to be really good quality and we personally always got good life out of those. We were loyal buyers of our local Farm and Fleet brand that were...
My $0.02 - wheels alone will greatly change the attitude of the car and are easily swapped again later. I'd start with just the wheels, drive it a bit so you can evaluate how you're feeling about it, and go from there. I would do white letter tires for sure, paired with black 15" steel wheels...
My work schedule for the weekend is still tbd, but my dad and I are tentatively planning to come down in the 1966 Fury III survivor that I had desperately attempted to have ready for last year's show.
I also have parts for the following cars if anyone needs something and wants to message me...
Sometimes you have to prime a new pump a bit. I usually like to pull the feed hose off and squirt in a little wd-40 or something. That gives it some liquid inside to help start the pump/vacuum draw.
I recognize the tower that is just visible in the upper right corner of the first New Yorker photo as being from the Iola, Wisconsin car show, which I have attended many times. I'm unsure of the year. I'll see if my dad knows more.
Also, if you can find an old WPC roster (maybe around the year...
Sorry this took so long, but I believe the photos we have are your car! We purchased the Newport Custom in the early 2000s and the owner had both of these cars, but was not selling the New Yorker at the time. The photos do not have a date, but they were taken before we purchased the Newport...