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2nd Generation Specific 1986-1992 Discussion

Spark Plugs

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Old 06-09-2003, 05:23 PM
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I have a non turbo 89 RX-7 13b. I was told that the spark plugs are supose to look diffrenet, or have some sort of differnt collering on them. Mine are all the same is that bad or what? I also orderd some plug wires for the car and they where cheap like under 20 US $ is that bad too?
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Old 06-09-2003, 05:43 PM
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the plugs look different than "normal" piston engine plugs. $20 for a wire set is a good deal



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Old 06-09-2003, 06:23 PM
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no u just have 4 plugs, leading and trailing. dont get those confused when putting em in.
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Old 06-09-2003, 06:23 PM
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i run all 9s on my turbo....but for your NA i would run 7s and 9s
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Old 06-10-2003, 01:59 AM
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what doe that mean
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Old 06-10-2003, 02:11 AM
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it is the heat range of the plug. The higher the number, the "colder" the plug is. This allows it to run in hot engines without melting.
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Old 06-10-2003, 02:18 AM
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http://www.ngksparkplugs.com/techinfo/spar...gs/techtips.asp



good spark plug tech page
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Old 06-10-2003, 02:19 AM
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so in a stock T2 what should i run
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Old 06-10-2003, 02:22 AM
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i dont know t2's but i would run either 9's trailing, 7's leading, or 9's all around.
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Old 06-10-2003, 02:27 AM
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well how would each setup differ from the other
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