ChrisG 0 Posted May 7, 2007 Can anyone give me a definate thread size for the spark plug gole in an Mi16 head? I need to get it helicoiled and the fitters at work have said they'll do it is I can find out exactly what size thread it is Cheers Chris Share this post Link to post Share on other sites
Mikey S 29 1 Cars Posted May 7, 2007 Can anyone give me a definate thread size for the spark plug gole in an Mi16 head? I need to get it helicoiled and the fitters at work have said they'll do it is I can find out exactly what size thread it is Cheers Chris its an m14 mate but im unsure what pitch, its fairly fine, 1.25 perhaps? Share this post Link to post Share on other sites
welshpug 1,657 Posted May 7, 2007 give them an old plug Share this post Link to post Share on other sites
ChrisG 0 Posted May 7, 2007 Cheers guys, I'll get on the hunt for a kit Share this post Link to post Share on other sites