Quote:
Originally Posted by RonNichols
I've had my side pipes off quite a few times over the past year. I used to use stainless fasteners until recently. It seems that I have run into shoddy fasteners that once torqued, would seize, and then I simply just unscrewed them into two broken pieces. The box had an origin sticker that said "made in China" so I just figured I would change. I have since replaced the fasteners with grade 8 bolts with a serated flanged nut seated onto washers on both sides of the flange. After several months of heat cycling, its still tight.
R
|
I always liked the idea of using stainless bolts for exhaust applications too, until I learned that you cannot harden stainless. Grade 8 is the only way to go, or you are going to risk breaking off bolts inside your cylinder head or other places.