The lower bolt is terminaly seized ,do to rust, in the right rear of my 88.The upright is what I call the cast iron thing that surrounds the rear wheel bearing .R.T.

I believe that what you are looking for is called the knuckle. If the two lower strut bolts are rusted in place , only the torch can get them loosened.

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" THE BLACK PARALYZER" -87GT 3800SC Series III engine, custom ZZP /Frozen Boost Intercooler setup, 3.4" Pulley, Northstar TB, LS1 MAF, 3" Spintech/Hedman Exhaust, P-log Manifold, Autolite 104's, MSD wires, Custom CAI, 4T65eHD w. custom axles, Champion Radiator, S10 Brake Booster, HP Tuners VCM Suite.
"THE COLUSSUS"
87GT - ALL OUT 3.4L Turbocharged engine, Garrett Hybrid Turbo, MSD ign., modified TH125H
" ON THE LOOSE WITHOUT THE JUICE "

if you have a stuck bolt heat around it until chery red hot it will come loose we have to do this all the time in the New England as every thing rust's due to the amount of salt used in the winters on the roads

[This message has been edited by engine man (edited 07-18-2019).]

Yes; and smer a lot of antiseize on at reassembly.If there is a next time there won't be a problem.But I didn't do that last time,so that's why I have a this time.

I am pleased to say a pair of uprights(knockels)have been located and collected.Thanks for all the help here in fieroland. R.T.