24seven 104 Posted December 13, 2007 A mate has just taken a graphite 1.9 part-ex for his miami 1.6, but it has a a damaged spark plug thread. he's thinking of tapping it out to clean it up. What size tap does he need? Share this post Link to post Share on other sites
Mikey S 29 1 Cars Posted December 13, 2007 (edited) A mate has just taken a graphite 1.9 part-ex for his miami 1.6, but it has a a damaged spark plug thread. he's thinking of tapping it out to clean it up. What size tap does he need? i wouldnt try tapping it with the head on. swarf down the bore isnt going to do it any good at all. Edited December 13, 2007 by pugger Share this post Link to post Share on other sites
24seven 104 Posted December 13, 2007 (edited) lol. yeah the head's coming off. Edited December 13, 2007 by 24Seven Share this post Link to post Share on other sites
Mikey S 29 1 Cars Posted December 13, 2007 lol. the head's coming off. thats ok then. iirc there 12x1.5. Share this post Link to post Share on other sites
Rob Turbo 3 Posted December 14, 2007 You can get a thread chaser from machine mart for a couple of quid, I've bought one to use on my turbo lump, haven't used it yet though! Share this post Link to post Share on other sites
