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From what I've read. The higher the pressure, the smaller the gap. If your N/A open them up to get the biggest spark. If your boosted or running some sort
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09-13-2018, 02:38 PM
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Track Member
Join Date: May 2014
Location: Riverside
Posts: 584
Drives: 40th 370Z
Rep Power: 13  |
From what I've read. The higher the pressure, the smaller the gap. If your N/A open them up to get the biggest spark. If your boosted or running some sort of high comp engine or nitrous you need a smaller gap so the spark can make it across.
I personally opened all mine up (can't remember the exact #) made sure they were all the same. And I also got a index washer kit so that they were all pointing towards the intake side. I can't really say there's more power but the engine sounds smoother to me.
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PW 07 HR350Z R.I.P. Totaled by 82yr old woman  2010 40th Anniversary 370Z |
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