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best plugs for 01 ls1 camaro ss?

This is a discussion on best plugs for 01 ls1 camaro ss? within the External Engine forums, part of the LSx Technical Help Section category; Originally Posted by My00Z28 idk i might get close to 30,000(maybe i only have 10,000 also instead of 16,000 on ...

  1. #21
    Moderator Firebirdjones's Avatar
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    Quote Originally Posted by My00Z28 View Post
    idk i might get close to 30,000(maybe i only have 10,000 also instead of 16,000 on them) but we will see new plugs next summer for sure...
    I'd just pull 3 or 4 of them out (the easy ones) when it comes time (say 15,000 miles) and check the gaps. Only takes a few minutes. If they are larger than ordinary then it may be time to pull them all.

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    LSX whore allbaugh_04's Avatar
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    I personally use the NGK TR55s and I wouldn't really worry about it unless I was making serious power or using nitrous like mentioned.

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    I have tr5's in mine right now. May have to try the AR103 next time.

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    Moderator 35th-ANV-SS's Avatar
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    Autolite plugs in my SS caused Frost and another tuner lots of headaches and troubleshooting when I got my Procharger installed. They were misfiring in the lower RPM range. Changing to NGK's solved that problem.

    They were using the equivalent Autolite # when cross-referenced to the current NGK plug I'm currently using now.

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    ^^^ Interesting what are the ngk's you have now?

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    Moderator 35th-ANV-SS's Avatar
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    I am using the TR6's, but that isn't what you would want to use on your set-up. People running Nitrous or FI use the TR6's.

  7. #27
    Member Nowhereman's Avatar
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    I use Denso Iridiums in all my toys.
    My Harleys swear by em and they are pumped up motors.
    I switched to em in my WS6 and they have performed for a number of years without any issues.
    Pulled a month ago to check and there was no wear or abnormalities on any plug.

  8. #28
    Moderator Firebirdjones's Avatar
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    Quote Originally Posted by 35th-ANV-SS View Post
    Autolite plugs in my SS caused Frost and another tuner lots of headaches and troubleshooting when I got my Procharger installed. They were misfiring in the lower RPM range. Changing to NGK's solved that problem.

    They were using the equivalent Autolite # when cross-referenced to the current NGK plug I'm currently using now.
    That's because the NGK plugs don't run at the same heat range even though you cross them over to what is supposed to be an equivilent. They may say they are the same in the books, but they definately don't run the same. NGK's run hotter than other equivilent plugs when cross referenced.
    So in essance what you did when crossing over from your autolite plug is stick a hotter NGK in there. You probably could have just stepped up one heat range on your autolites and fixed the problem too.

    That's what we experienced on a DTS engine dyno while measuring exhaust gas temperatures several years ago. Sounds like NGK's are still doing the same thing. That's why I don't run them anymore.

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