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Hmm, a quick check of the part on Rock auto states the stroke length as 5" where the reatta's is stated as "7. Not sure how much wiggle room there is on that. I do know the stroke length on the Koni inserts I was looking at is only just over 6". I have not found many car struts with a stroke length as high as 7" so I wonder how much of it the reatta suspension actually uses. Summit Racing had a how-to for figuring out your suspension max travel. I might explore that further.

heres a few pics of what I have going on

The diameter is the same. I'm thinking the length of the body may be shorter with overall length including the standard style shock mount being the same. That nay not be an issue though. I did compare extended and compressed lengths and the are virtually the same. My main concerns with this adaptation are the locating tab and the sway bar mount. Even with no sway bar as is on the Allante I think it would further strengthen the resistance for the control arm to move upward on the strut itself. So while I didn't need a sway bar mount I am hoping the extra clamp would be enough on its own or I would be able to secure it to the control arm in some way.

Good morning, I don't own a Reatta but I have a 92 Allante. Because RockAuto mistakenly listed 93 Allante rear struts as a fit for a '92 I decided to attempt adapting them for use in the '92. Part of my decision is that they are CHEAP. Less than $100 with tax and shipping for a PAIR. The dimensions are the same but lack the sway bar mount. The Allante doesn't have a rear sway bar but I thought that extra piece also helped keep the strut in place so I also purchased some adapters used in building custom coil-over suspensions to mimic the sway bar mount. I haven't begun the actual work but I wanted to share this with this group. While I never owned a Reatta I ran a Buick dealership from 1988 - 1996 and had both Riviera and Reattas at my disposal as demonstrators. BTW, the notch that was referenced in a previous post is probably for locating the strut in the bottom mount with the bolt acting as the locator. The metal on these feels heavy and thick enough to take some careful grinding in the appropriate spot to accommodate the bolt. Also, the bottom mount on the strut is there since the 93 Allante went from leaf to coil springs. It looks like it can easily be removed. There is a wire harness included with this kit to bypass the active suspension on the Allante. It has no actual connection to the strut.

Happy Anniversary! Hope it was the cars top...

Tomorrow is the 7th wedding anniversary for my wife and I. We were celebrating tonight so I washed up the reatta and we went in style with the top down 🙂. I'm always amazed at how good the 32 year old paint shines up.

Welcome to the forum! And congrats on the Reatta. My experience is that they are quite reliable cars and so I think you did great. Given the low miles, I bet there are relatively simple solution's to your problems. One thing I would do, once you have a chance is read through the sections in the How Tos of this website on the teves Brake system (unless yours is a 1991, which does not have the teves brake system). Then I would perform the tests here to gauge the condition of the accumulator. I would also do a brake fluid flush when you get the chance as the brake system likes nice new brake fluid (dot 3 only BTW). I will try to find the forum post I started when I did it on mine. The very helpful folks here answered a lot of the questions I had when I did it on mine.