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Old 02-17-2011, 06:52 PM   #1
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Default Poor man's COPS?

Lookie here: http://www.flyinmiata.com/index.php?...umber=04-56205 ..... FM says they've never heard of customers experiencing the drawbacks .... but they stopped selling similar plugs in the past. Why?

I am intrigued ....
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Old 02-17-2011, 07:41 PM   #2
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I'm thinking the #7 was a step colder than the normal plug. Sounds like a resistorless plug with cops would be great. I don't know much about spark plugs. The ones I have may be the same thing.
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Old 02-17-2011, 07:46 PM   #3
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yes, 5=hotter 6=oem heat range 7=colder. these can be had from advance for $2 a piece.
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Old 02-17-2011, 08:49 PM   #4
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I get NGK though amsoil, and that is not the same part number as the standard ngk I run or sell, The difference must be the fact that they dont have a resistor, Ill have to call and see how much I can get them for because that seems awful expensive.
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Old 02-17-2011, 08:53 PM   #5
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O just found this, I dont think I can beat this price so for everyones benefit, http://www.race-mart.com/NGK-NGK-R5671A-7.html
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Old 02-20-2011, 02:53 AM   #6
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My actual COP set-up could be considered a "poor mans" since the whole thing only cost me about $60 all in.

Including making my harness, the COPS and making my own mounting bracket.
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Old 02-20-2011, 10:42 AM   #7
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Quote:
Originally Posted by falcon View Post
My actual COP set-up could be considered a "poor mans" since the whole thing only cost me about $60 all in.

Including making my harness, the COPS and making my own mounting bracket.
^ this is a good point, mine didn't cost any more than that either, and I didn't even have to make the wiring harness. My wife did it for me.
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Old 02-20-2011, 10:20 PM   #8
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I didn't mean "poor" only as in price, I meant as in the lazy factor.
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