Author
Message
jack_dyane
Firing on two.
Joined: July 10th, 2010, 9:48 pmPosts: 519Location: East Sussex
stripped spark plug thread
Is this possible to fix? has anybody done it? is it very difficult? thanks
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March 13th, 2013, 7:49 pm
citroenboat
Firing on two.
Joined: November 11th, 2010, 4:19 pmPosts: 590
Re: stripped spark plug thread
Helicoil, should be straight forward, drill, tap, insert, done!
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March 13th, 2013, 8:30 pm
Smiffy
Firing on two.
Joined: October 23rd, 2009, 10:41 pmPosts: 2356Location: Worcestershire
Re: stripped spark plug thread
ECAS has them.
£52.95 plus carriage for a set of 10. (Could do your repair and then hawk the rest on here for, say, £40?)
Never done it myself, so I can't offer any advice based on experience. However, there are plenty of videos on YouTube to help. eg
Doesn't look too onerous.
Hope this helps!
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March 13th, 2013, 8:38 pm
ChrisW
Firing on two.
Joined: February 21st, 2012, 9:01 pmPosts: 1136Location: Avranches, Sud Manche, France
Re: stripped spark plug thread
Looks straight forward but I think I would prefer to remove the head - do not want any debris to remain in there.....
March 13th, 2013, 8:44 pm
2CViking
viking bastard
Joined: April 18th, 2009, 11:43 amPosts: 2424Location: Meneac, Bretagne France
Re: stripped spark plug thread
Be aware.
The insert thread (tap) is 16 x 1.50 mm
The heli coil thread (tap) is 16 x 1.25 mm but internal are the same 14 x 1.25 mm.
This guy did all the wrong things. No grease, hit the edge of one valve, hit the piston and left all metal chips inside.
Complete fuck up
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March 13th, 2013, 8:47 pm
jack_dyane
Firing on two.
Joined: July 10th, 2010, 9:48 pmPosts: 519Location: East Sussex
Re: stripped spark plug thread
thanks, because I have another engine, I may just make ine good engine and keep the spares!
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March 13th, 2013, 8:58 pm
fritz
Firing on two.
Joined: July 14th, 2010, 1:21 amPosts: 158Location: Devon
Re: stripped spark plug thread
mine stripped a plug thread 6 years ago.. helicoiled it without taking the head off (I know.. lazy right...), works fine still!
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March 14th, 2013, 9:58 am