That bolt on the bottom is a body mount bolt. It is a special purpose bolt with a pointed end, that screws into the frame. It is common for the threads on those bolts to rust badly. I replaced all the body mounts on my '76, and found some of the bolts badly rusted. I could not find oem style replacement bolts anywhere. Even the Corvette restoration parts places did not have them. I wound up using common grade 8 bolts with new washers, and they seem to fit ok. The way you replace the body mounts is to loosen the bolts on one side, and remove them on the other side. Carefully lift up the body on the side you removed the bolts from, remove the old rubber mount cushions, clean the area where the cushions were, put the new ones in place, and reinstall the bolts. Do not tighten them all the way. Now go to the other side, remove the bolts, and repeat the process. Then tighten the bolts down on both sides. There are 8 body mounts, 4 per side. I also found surface rust under those covers. I used full strength muriatic acid to remove the rust, then coated the entire area inside behind those covers with POR-15. You can now get some stuff called Rusteco that does a good job removing surface rust, and is safer to use than muriatic acid. Seal those covers when reinstalling them. The tires throw water at them, and if they are not sealed, water will get behind the cover and stay in there for a long time, causing more rust.
@@geraldscott4302 Thanks for the excellent insight! I appreciate it! I have pinned this comment as it provides a new consideration. Thanks for watching 👀. ✔️ out my latest videos here: th-cam.com/play/PLvUK1kuAU20rwtO2UhkaM3_SHOU1yk6iN.html&feature=shared @Corvette-Dan
@@warrentopping4442 I love it too! Thanks for watching! Check out my other C3 content here: th-cam.com/play/PLvUK1kuAU20p-aAREwU6ilmc5nqpEgX0E.html&feature=shared Stay tuned! @Corvette-Dan
@keltingr Thanks for watching 👀 and providing the feedback. I appreciate it. Check ✔️ out my other C3 content here: th-cam.com/play/PLvUK1kuAU20p-aAREwU6ilmc5nqpEgX0E.html&feature=shared @Corvette-Dan
That missing top screw is pretty bad! with the trap doornotfirmly closed tight to fenderwell rain water sips in over the top and goes down into the frame section
Thanks for the reply. I never considered this and I have to say I agree with you. Fortunately the car hasn't seen water since my possession of it. Rest assured, I will be fixing this prior to driving it again. Might be a good follow up video for the spring. Thanks for the insight and stay tuned! @Corvette-Dan
Considering her age that is clean & solid Dan👍. Tip of the Cap to you looking in those "nooks & crannies" that a lot of owners wouldn't take the time for 💪👏👏
God bless the do it yourselfers!... BUT It would be awe$ome to just drop it off to a professional & have it restored to perfection in 2 months🤔 🤣 keep Bringing us good stuff Dan it's cool👍🇺🇲
That bolt on the bottom is a body mount bolt. It is a special purpose bolt with a pointed end, that screws into the frame. It is common for the threads on those bolts to rust badly. I replaced all the body mounts on my '76, and found some of the bolts badly rusted. I could not find oem style replacement bolts anywhere. Even the Corvette restoration parts places did not have them. I wound up using common grade 8 bolts with new washers, and they seem to fit ok. The way you replace the body mounts is to loosen the bolts on one side, and remove them on the other side. Carefully lift up the body on the side you removed the bolts from, remove the old rubber mount cushions, clean the area where the cushions were, put the new ones in place, and reinstall the bolts. Do not tighten them all the way. Now go to the other side, remove the bolts, and repeat the process. Then tighten the bolts down on both sides. There are 8 body mounts, 4 per side.
I also found surface rust under those covers. I used full strength muriatic acid to remove the rust, then coated the entire area inside behind those covers with POR-15. You can now get some stuff called Rusteco that does a good job removing surface rust, and is safer to use than muriatic acid. Seal those covers when reinstalling them. The tires throw water at them, and if they are not sealed, water will get behind the cover and stay in there for a long time, causing more rust.
@@geraldscott4302 Thanks for the excellent insight! I appreciate it! I have pinned this comment as it provides a new consideration. Thanks for watching 👀. ✔️ out my latest videos here: th-cam.com/play/PLvUK1kuAU20rwtO2UhkaM3_SHOU1yk6iN.html&feature=shared @Corvette-Dan
C3......such a classic gm design!
@@warrentopping4442 I love it too! Thanks for watching! Check out my other C3 content here: th-cam.com/play/PLvUK1kuAU20p-aAREwU6ilmc5nqpEgX0E.html&feature=shared
Stay tuned! @Corvette-Dan
Very beautiful corvette too!!
Thanks for the comments. More of it can be seen here: th-cam.com/play/PLvUK1kuAU20p-aAREwU6ilmc5nqpEgX0E.html&feature=shared
@Corvette-Dan
That is good you got a very good corvette no rust on the birdcage
Thanks for watching. Check out my other C3 videos here: th-cam.com/play/PLvUK1kuAU20p-aAREwU6ilmc5nqpEgX0E.html&feature=shared
@Corvette-Dan
paint that rust using "corroseal" to convert the rust to magnetite, then cover it with fluid film
@keltingr Thanks for watching 👀 and providing the feedback. I appreciate it. Check ✔️ out my other C3 content here: th-cam.com/play/PLvUK1kuAU20p-aAREwU6ilmc5nqpEgX0E.html&feature=shared
@Corvette-Dan
That missing top screw is pretty bad! with the trap doornotfirmly closed tight to fenderwell rain water sips in over the top and goes down into the frame section
Thanks for the reply. I never considered this and I have to say I agree with you. Fortunately the car hasn't seen water since my possession of it. Rest assured, I will be fixing this prior to driving it again. Might be a good follow up video for the spring. Thanks for the insight and stay tuned! @Corvette-Dan
Considering her age that is clean & solid Dan👍. Tip of the Cap to you looking in those "nooks & crannies" that a lot of owners wouldn't take the time for 💪👏👏
Thanks for the comments. I did it for the sake of my viewers! @Corvette-Dan
God bless the do it yourselfers!... BUT It would be awe$ome to just drop it off to a professional & have it restored to perfection in 2 months🤔
🤣 keep Bringing us good stuff Dan it's cool👍🇺🇲
@@joelvanhandel1352 Thanks for the kind words. I appreciate the support!
Corvette Dan - that's the cleanest bird cage I've ever seen. Most bird cages I've seen are messy full of seed, feathers and bird crap. 😂😂
Thanks for the kind words and obvious pun!
@@Corvette-Dan 👍🇺🇸
👍
Thanks for watching! Check out more of my C3 content here: th-cam.com/play/PLvUK1kuAU20p-aAREwU6ilmc5nqpEgX0E.html&feature=shared
@Corvette-Dan