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Originally Posted by NeighborsComplaint
The control arm set I ordered advertise their design offers improvements by increasing camber gain and improving roll camber. I didn't spend a bundle on the assemblage of parts so it will be interesting to see how it turns out.
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Sounds good. I have only driven my cars aggressively on a few courses, more so on the street by challenging newer cars here in Colorado who do not expect the 442, the Buick, or my Volvo wagon to enter a corner at speed. A few things I found to be at issue after the updated parts were installed was a shop or friend to align to updated specifications and spring rates that create pitch when pushed hard over uneven pavement. I noticed this issue on my 87 Buick T when I used Moog springs. It would pitch rear to front when turning and accelerating through an intersection and exiting the turn. The first time this happened it unloaded the rear tires while the turbo was spooling. Needless to say the Buick earned a story that day as a few fellow car guys and I were headed to a local get together. It felt more like my 74 Dodge 100 then a well balanced car.
I just want to share why it is important that all parts work together. At times when issues arise we need to troubleshoot the "why" did it do that. Even stock parts give us fits.
The other discussion on the parking brake is we all have to decide when any issue should be corrected. Whether we used a vise grip to seal a ruptured front brake line in 1982, ignored a trashed/faulty wiring harness, or had a 72 GTO with no rear brakes at all with a good pedal because the rear line was pinched off; just for a test drive. I am not admitting to these infractions but they do arise hopefully we have all learned a few things from owning these fabulous cars over the years.
I would recommend fixing it sooner than later to protect your GTO and the other guys rides that you call friends. Especially after you get the new susp parts installed.
I wish you the best when the parts arrive.
Maybe you have but, if not take a look at a few books or articles on making our cars handle. Pro-Touring dot com or Lateral G has some good info.
Lance