FINALLY, I was able to get the hood off and tackle the brake booster. I bought the booster in March of 2016. Even with the hinge and hood out of the way, it was not a small task. All of the nuts had that hard sound deadening sprayed over them. I rounded one of the nuts off, and had to carefully chisel it off. Fortunately, I had a mint spare nut, and I did not damage the stud. Another issue was I had to enlarge one of the lower mounting slots on the repro booster just to get it to mount on the firewall. No excuses for that whatsoever!
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1976 LeMans B09 Freeway Enforcer, 455/M40 Smokey
1977 Trans Am, 400/M21 Black/Gold Bandit. 44K actual miles
2017 Sierra SLT 1500 Z71 4X4
2019 Canyon SLT Crew 4X4