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Old 01-02-2010, 06:56 PM
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Default What plugs!

What are the best spark plugs to buy that aren't outrageous. Post your opinion. Thanks
Old 01-02-2010, 07:08 PM
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The "SEARCH" feature is my favorite plug.
Old 01-02-2010, 11:25 PM
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Are ACDelco good plugs?
Old 01-02-2010, 11:57 PM
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Search feature is great, but lets just help the guy......

NGK TR55's
Old 01-03-2010, 12:05 AM
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Originally Posted by Bo's 98 TA
Are ACDelco good plugs?
+1 for ac delco
Old 01-03-2010, 12:13 AM
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NGK TR55IX iridiums get my vote
Old 01-03-2010, 12:17 AM
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Autolite 104's
Old 01-03-2010, 12:51 AM
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stock ac delco iridiums...unless your spraying or running boost...then TR6
Old 01-03-2010, 02:34 AM
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5's on motor atleast a 6 if not 7 on spray to be safe
Old 01-03-2010, 02:35 AM
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ngk tr55
Old 01-03-2010, 07:03 AM
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I just changed out my NGK TR-55's for the AC Delco 41-110 Iridiums @.040 gap. (My arms and hands look like I was locked in a cage with a pissed off cat) NGK's only had about 3000-4000 miles on them. One of the NGK's stopped firing completely so I changed it out and the dead miss was gone. However my laptop was still logging a lot of miss fires, so I bought the Delcos and put them in. Virtually no misfires whatsoever now. Most here on Tech will swear by the NGK's, I just didn't have good luck with them.
Old 01-03-2010, 12:03 PM
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Thanks and when I searched all it talks about is NGK and was wanting info on other plugs. Thanks for the help guys
Old 01-03-2010, 12:16 PM
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ngk tr55
Old 01-03-2010, 01:30 PM
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Originally Posted by AFTICA
I just changed out my NGK TR-55's for the AC Delco 41-110 Iridiums @.040 gap. (My arms and hands look like I was locked in a cage with a pissed off cat) NGK's only had about 3000-4000 miles on them. One of the NGK's stopped firing completely so I changed it out and the dead miss was gone. However my laptop was still logging a lot of miss fires, so I bought the Delcos and put them in. Virtually no misfires whatsoever now. Most here on Tech will swear by the NGK's, I just didn't have good luck with them.
same here delco iridiums @.040. only 35,000 miles on my car but the plugs were going on 11 years old,what a differance.
Old 01-03-2010, 01:42 PM
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Originally Posted by AFTICA
I(My arms and hands look like I was locked in a cage with a pissed off cat)
yup, GM's sick way to get back at us f-body guys for not buying a vette... i just started taking the coilpacks off when i check my plugs...little bit more room and you don't have to go around looking like a suicide attempt! just one connector and a few bolts and the whole rail comes off.
Old 01-03-2010, 01:48 PM
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battle scars,lol. i did mine when i took apart my top end(valve covers,coil brackets,intake/tb and maf ends) to send out to silverghost for powdercoating.
Old 01-03-2010, 01:59 PM
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I've always had great success with NGKs. TR55s from stock to bolt-ons and TR6s with spray or after BHP has increased by ~100.
Old 01-03-2010, 02:09 PM
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NGK TR55's
Old 01-03-2010, 02:47 PM
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AC Delco professional series are good for 100k miles but there like 70 bucks.




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