I should have posted this information before. I belong to a Yahoo group called skylark/specials616263. We at oldsjetfire.com should join. They are very active and are a nice bunch to work with. They have a sister car and have a lot same mechanical problems we have. Same 215V8, drive shaft, rear end and brakes.
They actually have a user’s group which communicates via email instead of a website. You have to be approved to be a member. And, once you are approved, your email address is displayed with each post. If you google the subject, you will find links to “www.groups.yahoo.com”.
One drawback is you will receive quite a few emails. I just setup a new email address and they all go to that address and that keeps it separate from my normal email. One of the positives is if you have a problem or need a part you can post it in email form and someone always gets back to you with some help. I know there are quite a few f85/Cutlass owners on the group.