M moparbarn Well-Known Member Joined Apr 25, 2007 Messages 7,930 Aug 25, 2015 #21 OD09's work great in my .21's on 65%!! Can't say for larger engines, as .21 is all the nitro I run. VERY durable plug (-; "Standard" plug body too, no special igniter clip needed. Last edited by a moderator: Aug 25, 2015
OD09's work great in my .21's on 65%!! Can't say for larger engines, as .21 is all the nitro I run. VERY durable plug (-; "Standard" plug body too, no special igniter clip needed.
