den1 Posted March 21, 2020 Share Posted March 21, 2020 Would anybody know whether Denso Iridium - IK22 (Not IK20) are OK to use on a stock Supra MKIV 3.0 TT GZ ?... Thanks Link to comment Share on other sites More sharing options...
sidewaysdan Posted March 21, 2020 Share Posted March 21, 2020 This may help http://www.mkivsupra.net/vbb/showthread.php?41927-FAQ-Spark-plugs&highlight=bcr8es Link to comment Share on other sites More sharing options...
den1 Posted March 21, 2020 Author Share Posted March 21, 2020 Thanks ...Yes I've been through that.. Stock TT Denso Iridium - IK20 - leave gap alone TT @ upto 1bar Denso Iridium - IK22 - leave gap alone... It's just that I have 6 Denso Iridium - IK22's and was wondering...Do I have to go out & get 6 new Denso Iridium - IK20's Link to comment Share on other sites More sharing options...
Boyne Posted March 21, 2020 Share Posted March 21, 2020 Ik22 will be fine in stock supra no colder though. Link to comment Share on other sites More sharing options...
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