A while back there was quite a discussion about oil filters. Was there a consensus on what is the best or perhaps the top 3? What grade bolts are you using in your engine builds? Talking intake, motor mounts things like that, not internal demands . I never trust Lows or H. Depot, think it is all China crap. A new Ace here said they have American but I doubt that also. I know ARP bolts can be trusted, but don't want to order and wait, I'm in assembly now and over the week end. Mild steel (A-36) seems okay but grade 5 might be better I guess. I'm considering the torque stress and stretch and what the load is in different applications throughout the assembly. Grade 8 I don't think is needed, generally speaking. If you use Lock Tite where do you use it and which one ? An industrial supplier of all things is a short distance away and I figure on going there tomorrow. Looking for American made only. If you can help me, thanks.