Tempest Spark Plug Urhm38e

ok everybody what we're going to be doing today is checking the center electrode resistance value on some aviation eridium spark plugs use a brand new tempest REM 38 s's he's down here about twelve thirteen hundred our champions on the left is two of the older style body and then on the right or two of the newer style and then down here are four of the new style champions I probably bought those can't be more than about six years ago they've only got about 500 hours on them and everything they came out at annual basically because they read too high now I invite you to go to champion and tempest websites read all their literature there's a little bit of controversy about whether you can check them or whether you can't with a ohm meter you know tempest says you can and template says that champions engineering manual says that you can sew along on the short of it is it looks like about 4,0