Correct, another job of spark plugs is to conduct heat away from the cylinder. The heat-range refers to how much it conducts away. The colder the spark plug, the higher the plug's ability to dissipate heat. However, The heat range has nothing to do to the actual voltage through the spark plug.
Colder spark plugs remove heat quicker, reducing the chance of pre-ignition/detonation. So for FI you'd want to go colder to keep things in cheack when pushing twice the BHP. I've had no issue running one step colder. |
I'm on BKR6E-11's here... v-grove. The stock number here was 5's.... so I've gone down one plug temp......But a non-IC'd blower will be heating things a lot too. <G>
I tried the 7's once, but it didn't run right, probably was too cold considering all the ambient temps here in the arctic wasteland. Just get a spark plug gapping tool, or feeler gauges, and regap the plugs down to 0.35. Even if I got the 0.35 gap'd ones, I'd be checking them before install anyway. Dave, |
how many mm is 0.35?
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Originally Posted by ES86
(Post 129948)
how many mm is 0.35?
did you really have to post that on the forum to get an answer? 8.89mm |
No plugs I know of will open to .35" I think you meant .035"
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