I understand all too well about the back pain. I don't think a washer would help much as the bushing is designed so the shoulder of the bolt applies a slight preload once it's torqued in place. I guess it wouldn't hurt to try it though, not like it would be hard to remove. You might even look at a teflon washer as you're not using it as a daily driver.
The reason I say you don't need a press is that any of those style kits that I have used (more or less the same idler arm design as many of the earlier GMs from the 50's and up) could be put together in a bench vice or even using just a good bolt to pull the parts together. Even easier if you heat the eye on the arm and store the insert parts in the freezer overnight. Not really that old (unless you ask my wife) just grew up and worked on a lot of "vintage" vehicles over the years. From the years when you could tell make, year, model just from the shape of the car.
Monday, June 17th, 2019 AT 1:15 AM