Example of Chevy C10 with CPP c-notch kit
In an article published by the Hot Rod Coalition and written by Chuck Long, Long describes his experiences of utilizing a Classic Performance Products (CPP) c-notch kit to lower his 1966 Chevy C10. He says he was starting off with minimal tools and know-how, but by the end of the project, he seemed to be almost an expert.
After waiting a few days for the kit to arrive, Long opened it up to see that the notches are made from 1/4" thick steel and come with necessary hardware (grade 8), bumpstops, and instructions. Since the notches came in raw steel, he kept them protected by spraying them with primer (paint would work, too). He stressed the importance of making sure your vehicle is jacked up high enough to move around underneath. We can only imagine how he figured that out.
Once he jacked up his truck, he braced the rear of the frame to avoid the potential of the frame sagging since you have to cut your frame to install the kit.
The first step was to cut off the factory bumpstop mounts. The last step he performed was bolting in the new trailer arms and coil springs. In between that, he experienced all sorts of trouble including breaking coil springs, stripping bolts, and all the other usual but frustrating things that go along with any modifications or restorations.
Long ended up being very impressed with the fit of the CPP c-notch kit and thought it was a great project for a beginner.
Read the entire article and see the struggles that Long went through during this project here.