stainless body mount bolts

[keywestjack]

Do they have to be grade 8? Is there a source for them? McMaster Carr have stainless but not grade 8 equiv.

 

[Geoff Coenen]

Originals were grade 5 with 3 strikes on the head for all the originals C1, C2, C3 body mount bolts I've removed. Grade 8 is overkill.

 

[Arthur Brown]

these are 7/16" or 1/2" bolts, grade5 can withstand more than the surrounding fiberglass. You're not worried about these rusting are you?
install with lots of anti seize and it'll be fine for another 30 years.

 

[keywestjack]

No I'm not worried, it just that I am doing a second (different car) body removal and just got to thinking before I purchased a hardware kit. I do however have to purchase several cage nuts for the 2 and 3 body mounts regardless of what I do.

 

[Red]

No I'm not worried, it just that I am doing a second (different car) body removal and just got to thinking before I purchased a hardware kit. I do however have to purchase several cage nuts for the 2 and 3 body mounts regardless of what I do.

I don't know if you need this info, but you can take a cutoff wheel on an angle grinder and cut the cage from the frame top. You just want to neatly cut the weld that holds it on, so that you can re-weld it on later. Once removed, you can remove the nut retainer and usually broken, frozen bolt. Replace the nut with whatever you choose, tack the nut keeper in place and re-weld the cage housing on the frame. I needed to fab a nut keeper from sheet metal. As stated, you don't need anything special for the bolt, but using stainless won't hurt anything either.

 

[keywestjack]

No I'm not worried, it just that I am doing a second (different car) body removal and just got to thinking before I purchased a hardware kit. I do however have to purchase several cage nuts for the 2 and 3 body mounts regardless of what I do.

I don't know if you need this info, but you can take a cutoff wheel on an angle grinder and cut the cage from the frame top. You just want to neatly cut the weld that holds it on, so that you can re-weld it on later. Once removed, you can remove the nut retainer and usually broken, frozen bolt. Replace the nut with whatever you choose, tack the nut keeper in place and re-weld the cage housing on the frame. I needed to fab a nut keeper from sheet metal. As stated, you don't need anything special for the bolt, but using stainless won't hurt anything either.

Thanks, that is exactly what I need to know. :1st: