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getting new spark plugs...need feedback

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Old 10-15-09, 09:17 PM
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'87 TII rx7
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getting new spark plugs...need feedback
turns out one spark plug is going bad and missing... (rear rotor housing, trailing, ngk R bur9eq) so i decided to just get some new plugs and was wondering what kinds of ngk plugs are u running on your fc? i was thinking of getting 2 bur7eq for leading and 2 bur8eq for trailing... and how about the platinum ones? what the difference between normal and platinum ones(spark, durability etc)? my fc is an 86 s4 n/a
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Old 10-15-09, 09:24 PM
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if you have a stock or semi-stock s4 na, get the stock ones. 2 9's and 2 7's.
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Old 10-15-09, 09:27 PM
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go with the platinums... BUR7EQP & 9
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Old 10-16-09, 12:55 AM
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7s & 9s.
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Old 10-16-09, 02:06 PM
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just replaced the plugs.... and noticed ALL 4 of the old ones were 9's!
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Old 10-16-09, 03:06 PM
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that's not uncommon on turbo cars. kind of pointless on an n/a though.
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