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2nd Generation
New-ish NGK Spark plug question
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<blockquote data-quote="FireGuy" data-source="post: 16018674" data-attributes="member: 4653"><p>I have an 18k 02, been running densos for most of the time I have owned it, never fouled a plug. What heat range are you running? I used IT 16 for a six pound pulley and ported blower. When I added more mods and boost went to IT 20. If you prefer the NGK brand and feel more comfortable with them, you should use them for peace of mind and save a little cash. The important part of the equation is to get the correct heat range and with your setup, it should be very close the the stock heat range. If you change to new plugs and the fouling returns, I would consider replacing your coil packs with new stock ones because they could be weak, even though they haven't had much use. One other fouling issue to consider with rarely driven vehicles, bad fuel and if you use fuel stabilizers they would tend to foul plugs too. In fact, last year I had to change plugs because the fuel stabilizer I used killed one of my fuel pumps, so new pumps, new filter, spark plugs and all new fuel were required. I am not so likely to use stabilizer anymore, just use up or drain the fuel annually.</p><p>Sorry so verbose but causes of fouling can be many things even more than I have covered here.</p></blockquote><p></p>
[QUOTE="FireGuy, post: 16018674, member: 4653"] I have an 18k 02, been running densos for most of the time I have owned it, never fouled a plug. What heat range are you running? I used IT 16 for a six pound pulley and ported blower. When I added more mods and boost went to IT 20. If you prefer the NGK brand and feel more comfortable with them, you should use them for peace of mind and save a little cash. The important part of the equation is to get the correct heat range and with your setup, it should be very close the the stock heat range. If you change to new plugs and the fouling returns, I would consider replacing your coil packs with new stock ones because they could be weak, even though they haven't had much use. One other fouling issue to consider with rarely driven vehicles, bad fuel and if you use fuel stabilizers they would tend to foul plugs too. In fact, last year I had to change plugs because the fuel stabilizer I used killed one of my fuel pumps, so new pumps, new filter, spark plugs and all new fuel were required. I am not so likely to use stabilizer anymore, just use up or drain the fuel annually. Sorry so verbose but causes of fouling can be many things even more than I have covered here. [/QUOTE]
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New-ish NGK Spark plug question
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