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Old 04-14-2009, 12:03 AM   #1
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Default Spark plugs and detonation!!!

Hey everyone!
I have a '90 with the Greddy kit no intercooler and I have a nasty case of detonation. The only mods I have are:
greddy kit
jackson racing fuel pump
Air/fuel

Someone told me that colder plugs would help, any suggestions?
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Old 04-14-2009, 12:16 AM   #2
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hm... timing retard usually helps
what do your afrs look like when in boost?
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Old 04-14-2009, 12:24 AM   #3
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I'll have to check the timing again, it's retard to 3 degrees?
I don't have a AFR gauge so I don't know. The mix seems fine when looking at the spark plugs
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Old 04-14-2009, 12:28 AM   #4
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6 degrees.
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Old 04-14-2009, 01:29 AM   #5
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Thanks!
Any suggestions for a spark plug? When I went to autozone they had no idea what I was talking about when I said a "colder" plug!
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Old 04-14-2009, 01:32 AM   #6
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Ngk - bkr7e
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Old 04-14-2009, 01:49 AM   #7
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thanks again!
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