oscar90 0 Report post Posted December 26, 2009 Hi all, After the Reccomended Gap for NGK's for the M20b25, my manuals giving 2 different gaps but thats for champion plugs, NGK BPR6ES plugs Cheers, Andrew Quote Share this post Link to post Share on other sites
bravo 35 Report post Posted December 26, 2009 Same gap as in the manual (I forget off the top of my head). That is the correct NGK plug for that motor, and gap should be same as the champions. Edit - did a quick google. 0.7-0.8mm. Quote Share this post Link to post Share on other sites
antil33t 90 Report post Posted December 26, 2009 0.8mm... Bosch ones come gapped to that allready Quote Share this post Link to post Share on other sites
oscar90 0 Report post Posted December 26, 2009 Cheers all!, went 0.7mm decided i'd go with the lesser in the book and see how it ran Quote Share this post Link to post Share on other sites
e30ftw 410 Report post Posted December 26, 2009 Plugs don't always come gapped.. Quote Share this post Link to post Share on other sites
antil33t 90 Report post Posted December 27, 2009 Plugs don't always come gapped.. Indeed, but the bosch ones say on the packet they are at 0.8mm. Quote Share this post Link to post Share on other sites
*Glenn* 854 Report post Posted December 27, 2009 Plugs don't always come gapped.. All Bosch plugs are gapped, out of the packet for there specific heat range & application... unless some tosser drops them Quote Share this post Link to post Share on other sites