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Omega General Help / Re: Down pipe misthread
« on: 15 March 2011, 20:11:38 »
The thread size is M10 X 1.5.
Get a die nut this size thread it onto the stud and tighten it up hard. Then get an M10 Binx nut, which is basicaly an aircraft grade locking nut and tighten this up as hard as you dare against the die nut.
Both these nuts are readily available from your local engineers merchants
EDIT, I have just had a look at a spare manifold in the garage and there isnt enough space between the stud and the downpipe to allow a die nut and socket to clear, as they are considerably larger than a standard M10 nut.
Instead you could try cutting through one side of a standard nut, fitting it into a socket and threading that on to the stud to try and clean up the thread.
Get a die nut this size thread it onto the stud and tighten it up hard. Then get an M10 Binx nut, which is basicaly an aircraft grade locking nut and tighten this up as hard as you dare against the die nut.
Both these nuts are readily available from your local engineers merchants
EDIT, I have just had a look at a spare manifold in the garage and there isnt enough space between the stud and the downpipe to allow a die nut and socket to clear, as they are considerably larger than a standard M10 nut.
Instead you could try cutting through one side of a standard nut, fitting it into a socket and threading that on to the stud to try and clean up the thread.