John: I agree anything heat related (exhaust) I use anti-sieze we have used it for years on our 250 hp 375 deg. boilers works like a charm. Kinda got away from using Loctite blue using red more often.

If you really need to oil a bolt I've been using 00 Grease in quart seems like it works better for me. popcorn The Truth is Out There (68Bus Hope this helps, remember you might have to take it apart someday)