Which Spark Plugs????
10-12-2006, 11:38 PM
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Which Spark Plugs???? Hello,
I have a 99 Z28 40k miles and soon I will be doing a tune up . I already bought msd wires , but I dont know which plugs to get. Any suggestions? What plugs came with these cars stock? I was thinking using AC Delco rapid fire, Iridium, or platnium. I have no clue which ones. My car is an everyday driver about 500 miles a week. I still want a plug that will give me some performance , but no problems done the road. Can u suggest a plug ?
I have a 99 Z28 40k miles and soon I will be doing a tune up . I already bought msd wires , but I dont know which plugs to get. Any suggestions? What plugs came with these cars stock? I was thinking using AC Delco rapid fire, Iridium, or platnium. I have no clue which ones. My car is an everyday driver about 500 miles a week. I still want a plug that will give me some performance , but no problems done the road. Can u suggest a plug ?
10-15-2006, 09:25 AM
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ok thanks so far i guess i will pick up some ngk's. It does seem lots of people on here are running them so they must be good. I noticed a lot of people are using different gaps. So theres another question what gap should I use for a a stock z28
10-15-2006, 10:49 AM
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Originally Posted by Pipelayaz
Everyone here will say TR-55's. They're cheap but they are great spark plugs. You can pick em up anywhere.
10-15-2006, 02:29 PM
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You'll find that the NGK TR55 is a favorite here. TR6 for Forced Induction or Nitrous. If you want You can use the TR55 IX irridium plugs. I had them and they worked great. The Copper TR55's are great too.
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10-15-2006, 09:36 PM
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Originally Posted by kalh7
Just picked up a set at advance and the actual part number is 3951. Not sure why they dont show it as tr55.
10-24-2006, 03:28 PM
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Originally Posted by bjamick
i use NGK iridiums they seem to work great i mean it is a plug and i spray mine also thats why i went with the iridiums. $56 for the set.
11-01-2006, 10:22 AM
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Originally Posted by wilddawg
iridum spark plugs tend to hold on to heat and will detonate your just lucky you haven't hurt your motor. But what do I know
11-01-2006, 05:03 PM
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Originally Posted by blue02formula
NGK TR55ix they're pre gaped. Don't forget your anti-seize for the threads.