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What Spark Plug Size?

Simmo1985

By Simmo1985,
in Engines & Forced Induction

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Simmo1985 Community Regular

Simmo1985

Posted
Posted

I have a 97 R33 with 60,000klms on the dash. Occasionally after starting my car it will splutter around a bit before idling correctly or stall completely if I do not rev it for a little while. This mostly occurs first thing in the morning but has occured on other occasions during the day after re-starting my car even as soon as 10 minutes after stopping it. Also while driving I will get occasional popping/misfiring noises from the exhaust, mostly on gear changes (more so changing up). These seem to be more noticeable after booting it.

I purchased the car only a week ago and I'm slowly working my way through some general maintenance related which is working out more expensive than I expected, front rotors are stuffed - ah well, RDA groupbuy time lol. Replaced the O2 sensor, which although has helped fuel economy quite well has not fixed this problem.

I think the problem is something to do with the spark plugs/coils. The seller told me he installed platinum plugs at 40,000klms. After a few searches it seems that everyone on here is not a fan of the platinums. I'll replace them with some copper spark plugs tomorrow afternoon to start with. What size gap / type do I want to get (pod filter, cat back exhaust)? I'm guessing trying 1.0mm would be a good idea?

If the problem's still there I'll most likely be getting some splitfires. Is there anything else I should try before that step? Would spark plug leads cause this occasional problem? What's the average life on a set of splitfire coils?

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https://www.sau.com.au/forums/topic/183397-what-spark-plug-size/
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R31Nismoid Grand Master

R31Nismoid

Posted
Posted

Plugs see here:

http://www.skylinesaustralia.com/forums/in...howtopic=104405

Coil packs:

My factor ones ran over 350rwkw, 10 years old.

So any replacements can be expected to run the same time or longer.

You dont have spark plug leads, so nothing to replace :)

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