catfish79 Posted February 20, 2020 Share Posted February 20, 2020 Hi Guys got some NGK TR5A-10s.Please can tell Me the correct gap in metric? Not sure if it’s 1.00mm or 1.3mm. I’ve seen both suggested. Quote Link to comment Share on other sites More sharing options...
williamweb Posted February 20, 2020 Share Posted February 20, 2020 The original Bosch specification is 1.3mm👍 1 Quote Link to comment Share on other sites More sharing options...
stef123 Posted February 20, 2020 Share Posted February 20, 2020 If I recall the plug gap was reduced from 1.3 to 1.0mm to put less strain on the coil pack 1 1 Quote Link to comment Share on other sites More sharing options...
Frembrit Posted February 20, 2020 Share Posted February 20, 2020 8 hours ago, catfish79 said: Hi Guys got some NGK TR5A-10s.Please can tell Me the correct gap in metric? Not sure if it’s 1.00mm or 1.3mm. I’ve seen both suggested. If that is the part number listed then go with that...the 10 on the end means it's preset to 10mm. I always used NGK plugs in my ST24 and my dads 1.8 mk1 Focus, both were preset too. 1 Quote Link to comment Share on other sites More sharing options...
catfish79 Posted February 20, 2020 Author Share Posted February 20, 2020 Excellent Thank You Guys! 1.0mm it is then! Quote Link to comment Share on other sites More sharing options...
mjt Posted February 21, 2020 Share Posted February 21, 2020 17 hours ago, Frembrit said: the 10 on the end means it's preset to 10mm That's a pretty large gap. Can't see the coil pack lasting too long . . . . 2 Quote Link to comment Share on other sites More sharing options...
Frembrit Posted February 21, 2020 Share Posted February 21, 2020 haha...typo 😆 1 Quote Link to comment Share on other sites More sharing options...
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