Omega Owners Forum

Omega Help Area => Omega General Help => Topic started by: frostbite on 24 April 2016, 02:29:21

Title: Exhaust stud nuts
Post by: frostbite on 24 April 2016, 02:29:21

Hey guys

I'm very soon going to have all the studs replaced as I have 2 sheared studs by the thermostat housing,  my question  is what is better to use a copper flashed steel nut or an aerotight nuts also stainless

Cheers

Title: Re: Exhaust stud nuts
Post by: RobG on 24 April 2016, 10:32:48

Stainless studs, copper nuts

Title: Re: Exhaust stud nuts
Post by: frostbite on 24 April 2016, 11:47:28

Ok that was simple,  any particular style normal nut or a shouldered one or a BMW MINI turbo self lubing nut http://www.pelicanparts.com/More_Info/11657559557.htm?pn=11-65-7-559-557-M26

Title: Re: Exhaust stud nuts
Post by: JamesV6CDX on 24 April 2016, 15:21:53

Get the GM ones

Title: Re: Exhaust stud nuts
Post by: frostbite on 24 April 2016, 16:57:37

I have found a kit from Germany, 2 gaskets 14 studs 10 nuts and a manifold for 80 odd pound

That way I can get the new manifold ground flat to hopefully cure the studs shearing

Title: Re: Exhaust stud nuts
Post by: RobG on 24 April 2016, 17:00:41

Quote from: frostbite on 24 April 2016, 16:57:37

I have found a kit from Germany, 2 gaskets 14 studs 10 nuts and a manifold for 80 odd pound

That way I can get the new manifold ground flat to hopefully cure the studs shearing

For a 2.0ltr as the 2.2`s are different

Title: Re: Exhaust stud nuts
Post by: frostbite on 24 April 2016, 17:25:54

X20xev same for the vectra b and frontera. Also has the SAI holes so is a straight swap

Title: Re: Exhaust stud nuts
Post by: Nick W on 24 April 2016, 19:15:07

I bought 16 M8x40(which seems to be a standard size) studs and copper nuts plus similar M10 nuts for the downpipes, for my V6 which cost less than a fiver.

Title: Re: Exhaust stud nuts
Post by: frostbite on 25 April 2016, 06:47:22

Quote from: Nick W on 24 April 2016, 19:15:07

I bought 16 M8x40(which seems to be a standard size) studs and copper nuts plus similar M10 nuts for the downpipes, for my V6 which cost less than a fiver.

This includes a new manifold and gaskets hence the price,  if there weren't any flaw with the casting I wouldn't have bothered

Title: Re: Exhaust stud nuts
Post by: artsoul_no1 on 25 April 2016, 12:11:33

NICK W PM sent  :y