sway bars & disc brakes
 

1966 bonneville
are there any heavy duty performance sway bars available for these cars front and rear also i heard that 69/72 full size front control arms work on these cars to put disc brakes on

Addco used to have sway bars for these cars but they aren't listed anymore in their online catalog, you may be able to find used ones somewhere. There may be other sources, or parts from other cars that can be adapted. If you use the search function you should be able to find older discussions on this topic.

As for disc brakes the setup from a 1968 through 1970 big car will work but they are going to be hard to find, especially in usable condition. 1971 and newer was a totally different setup. You're better off going with an aftermarket setup. Master Power has a kit: https://www.mpbrakes.com/product-cat...ville-1966.asp I thought Scarebird had a kit as well but it doesn't show up in their catalog; however Scarebird is a member here and can provide more information. https://scarebird.com/index.php?rout...tegory&path=63

have you considered something like this for the rear? I stole the idea and got a rear bar off of a later full size caddy and used a bigger 1/4 inch plate to allow the use of a narrower bar on my 68.

http://www.nitemareperformance.com/B...bar%20kit.html

for the front i bought one from addco, for a wagon i hope it fits, for the rear im looking for one that bolts to the rear itself like a anti roll bar

You're closing? As in permanently?