Originally Posted by bartamos
...2. Stainless is stronger that Gr 8...
I disagree with that. Some stainless bolts can be but they aren't cheap and you won't find them at the hardware store. I'd assume all stainless to be weak unless you know exactly where they came from and what they are.
There are many different "stainless" alloys.

Grigg

•1951 GMC 250 in the Project Journals
•1948 Chevrolet 6400 - Detroit Diesel 4-53T - Roadranger 10 speed overdrive - 4 wheel disc brakes
•1952 Chevrolet 3800 pickup
---All pictures---
"First, get a clear notion of what you desire to accomplish, and then in all probability you will succeed in doing it..." -Henry Maudslay-