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What's the piston area on them? What Cadillac year/model/trim did they come on originally? How is the pad selection for them? What's the lug hole spacing? You should be able to find this online without much work.
They're lug mount, so an adapter bracket is going to be a little harder to create since it will have no adjustment - as opposed to a radial mount caliper that can be adjusted for position/rotor diameter.
You'll also likely need a line adapter and/or custom lines to run them.
Edit: No staggered pistons, too much overall piston area. Pass. They do accept a 30mm thick rotor, so they've got that going.
I am looking at upgrading the brakes on my 93 Civic HB. I am prepping the car to try some time attack and the stock brakes won't cut it, they are at their limit autocrossing (have Hawk pads).
In my research I ran across a number of other cars running these calipers including Nissan's, Fox body mustangs and many more. So I am just starting my research into these and any other cheap options I run across.
Doing a little quick research and math (prolly got that wrong!!!) I got the following results on piston area:
- 2290mm square - Stock 93 Si hatch
- 2552mm square - Integra Type R
- 2658mm square - Cts Cadillac calipers
- 2771mm Square - Willwood Dynalite (Race) package (15/16" to 1" master cylinder recomended)
I haven't figured out rotors or anything else, I am just inquiring about mounts. I could machine mount brackets but would like to save myself the work if something exists. As for brake lines???? I could maybe turn down the banjo fittings to fit but again ???? I have just started looking. Don't want to go Porsche because the price has skyrocketed due to the Honda community and the price of Porsches going up as well.
But what really peaked my interest aside from price is my new tow vehicle.
I got 2770mm^2 for the ATS/CTS calipers you posted, with 42mm pistons.
That’s pretty big. You might be able to keep them from overpowering the rears if you limit yourself to a 282mm rotor (ITR diameter). A Legend rotor would get you into a 25mm thickness at least, 28mm NSX rotor would be the most ideal.
Wilwood has a selection of lug mount adapters, you might be able to find something ready made there.