Thread: exhaust manifold nuts/bolts/studs + grease?

Use Loctite high temperature nickel anti-seize.

I also prefer to use brass nuts. That's what used to be fitted to cars.

Thanks Ron and Brian

If you can get long nuts that cover the entire thread of the stud, it prevents the end of the stud rusting and making it harder to get off. (Assuming long nuts can be fitted, of course. I've only used them on my Auster for this purpose.)

Coop

I use the copper paste/spray on lube.

if you cant fit long nuts with the domes fit a normal nut and then cut the stud down to size.

you can get copper nuts for exhausts in GJ kits and I saw some in super cheap in a blister pack the other day but im pretty sure they were metric.

at the end of the day even putting a non heat rated loctite in will help prevent the threads inside the nut/head from siezing to the stud by offering a boundry layer