I am getting ready to start the reassembly of my scrambler and I will be replacing many of the factory bolts due to rust/broken/missing etc. Since I don't want to be running to the store every five minutes I have been thinking of buying a big nut,bolt,washer kit offline that has lots of bolts in a variety of sizes to try to keep trips to store to a minimum. The kits seem to be mainly sold in Grade 5 and Grade 8. Obviously the grade 8 are stronger but are they needed? I think grade 8 has a more corrosive resistant coating too. So the question is if you were doing a frame off rebuild would you use grade 5 or spend more for the grade 8?