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Like this ? 170F: one bar under center 180F: half way 210F - one bar over center 217F - two bars over center 221F - three bars over center I use a 180F superstat and reprogrammed the fans to come in sooner (high at 190F) usually runs about 185F. My experience is that it is a cool running engine if treated right. Also if you run it cool, everything under the hood lasts longer & the AC works better.

I'll go first. This is one of my favorite photos of my Buick Reatta.

Buick Reatta Service Highlights This is probably the best Reatta video I've seen. I learned a lot about my car I didn't know by watching it. The first part tells about how the Reattas were built. The second half gives a lot of technical tips that I didn't know about. The video is kind of long but you have to watch the entire video to get the most out of it.

Yeah I agree. I just with they had used the supercharged version in the Reatta to give it a little more power and a little stronger transmission to go with it. The transmissions are a little weak to stand much more power..

Thanks Ronnie. I'm going to try it.

I can echo those sentiments. My Reatta remains plugged in to "life support" as my wife calls the battery maintainer. With some of the nice weather being a "hit or miss" I try to enjoy my convertible SSR, and even that usage is less than I would like.

I had a similar experience with my local Buick dealer when I stopped in to order a drivers side door handle. A long time employee remembered that they had a Reatta in the show room and "had to practically give it away" due to its high (for the era) sticker price. However, the younger of the employee staff had to go to the parking lot to see what a Reatta was. They were amazed. Bottom line, I had to get the door handle from Jim Finn who handles used parts. The Buick dealer was of no help.

GM has been using 195F thermostats since the 50's. However warranties are of limited duration. I found years ago that running cars cooler (160F thermostat in a non-computer car, 180F in a computer car) and bringing the fans in sooner not only makes everything under the hood last longer (have had my 88 Reatta for 20 years now), the AC also works better. Said before but bears repeating. ps 180F thermostat provides plenty of heat even in below 0F conditions

Welcome to the forum! You won't need a scanner to check the data on your Reatta. It has a diagnostic system built into it. The Diagnostics menu at the top of the page will tell you how to access the onboard diagnostics and how to use it. Someone may come along with a '91 and tell you how many bars the temp gauge should show.

Blake, Welcome to the forum!

How is it that cars with obvious special interest right off could be so abused and neglected?

Same here ship. Because of weather, heath issues and prior commitments, I've driven my Reatta less this year than I did last year due to Covid 19. The Fall of the year is my favorite time to drive and maybe it will be better.

http://performanceresearch.us/padgett/cars/coils.htm

I got my 1990 Reatta today. It drives really well, no rust, and fairly low miles (77k) The only problem it has with it currently is the left turn signal doesn't blink, it just constantly shines so I had to keep flicking the signal on and off. Anyone else have this issue or know how to fix it? Anyway, i'm happy to be apart of the community. Cheers!

I really like white Reattas!

Today at Lakeview Overlook. Ocoee, TN

Cumberland State Park, Crossville, TN.

New picture. Thought of sending to RockAuto for a magnet lol.

I need to do a wash and wax and take some better pictures, but here is my '90 reatta. I just bought it off a guy this past summer. It had a bunch of small problems that I am trying to work through. Very fond of the car already.

I don't like the stripes on the hood but this yellow Reatta is really starting to grow on me. It brings back memories of a friends '69 Z28 Camaro. One of my favorite cars of all time. I just don't understand why Buick didn't make the Reatta rear wheel drive and give it a supercharged or turbocharged engine. They could have sold a million of them if they had.

Here's a couple photos taken in the last few years. We have owned this '91 vert since 2007, averaging a little over 2,000 miles per year. It's been a good car, still puts a smile on my face when my wife says, "can we take the Reatta?!"

Not my Reatta. I wish it was.

This convertible was posted elsewhere here on the ROJ forum a few years ago. I don't remember who it belonged to but it really is a nice looking Reatta.

Very informative, thanks. My car still has the original Magnavox coils and all seem to spark, car always starts right away and doesn't stall, it just shakes as if one or more cylinders are not firing. My money is still on a bad engine mount.