Champion Spark Plug 7989 Double Platinum Plug
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Old July 29th, 2008, 07:47 PM   #1
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Champion Spark Plug 7989 Double Platinum Plug


Anyone know who has the best deal on the Champion 7989 Double Platinum Plugs? Best I have seen so far is 12.95 at Summit Racing.
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Old July 29th, 2008, 10:25 PM   #2
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Champions


Try Rock Auto. At one time they had the best price. Great plug by the way.
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Old October 30th, 2011, 02:31 PM   #3
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Originally Posted by Goldenpony View Post
Try Rock Auto. At one time they had the best price. Great plug by the way.
Just make sure you check them closely. Here's what I posted on another site.

Bought mine from RockAuto about a year ago, one plug the little cone slipped over the spark area (brand new in box). Rock Auto wouldn't warranty their sale and had to go to Champion Canada who arranged to replace locally. The past few weeks my 06 Mustang GT has been driving me crazy, running rough and misfiring. Finally, finally after trying everything with Maf, throttle body, different tunes and almost checking phasers, timing and worrying about broken comp cams valve spring, I decided to put the original motorcraft spark plugs in and voila, car is as smooth as silk again. Examined the Champions 7989 and found on one that the metal neck just above the threads and the socket head was cracked and broken on both sides. Absolutely no reason for this to be broken as car had ran well for over a year and the plugs had not been touched. My experience with Champions. Have photos of both.
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Old October 30th, 2011, 04:25 PM   #4
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I have been using champion for over a year with no issues.
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Old October 30th, 2011, 05:41 PM   #5
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when i bought mine about 2 months ago, rockauto was the cheapest. There was a $2 mail in rebate per plug also, which i think is still going on.
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Old October 31st, 2011, 12:01 AM   #6
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I wouldn't run Champions, even in my lawn mower. Brisk Racing plugs is what I have run in all of my performance cars and bikes.
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Old November 24th, 2011, 01:50 AM   #7
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Autolite HT1
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