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  1. 05-30-2008, 08:15 PM #1
    bryceslu
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    Autolite APP103 or APP104 in LT1

    I am going to be changing my plugs sometime soon in my LT1. From what it looks like the plugs are still stockers at 103K miles and I would feel much better changing them.
    It is basically a stock LT1 with minor bolt-ons including CAI, intake elbow, catback.

    I was wondering what my LT1 would like better, the app104's or little colder app103's?

    Thanks for the input.
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  2. 06-02-2008, 04:44 AM #2
    98formy
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    104's is what I run in any lt1 I build.
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  3. 06-02-2008, 02:29 PM #3
    bryceslu
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    Quote Originally Posted by 98formy View Post
    104's is what I run in any lt1 I build.
    Thanks for the info.
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  4. 06-04-2008, 05:46 PM #4
    bryceslu
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    Anybody else with some input on the Autolites issue?
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  5. 09-10-2009, 09:49 PM #5
    MotorDogStar
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    did you end up going with autolite 103 or 104?....I just got some 103 for my lt1 and I'm wondering now if I should have got the 104's
    "I'll gut you like a fish!"
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  6. 09-13-2009, 10:51 AM #6
    bryceslu
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    Quote Originally Posted by MotorDogStar View Post
    did you end up going with autolite 103 or 104?....I just got some 103 for my lt1 and I'm wondering now if I should have got the 104's
    hmm..im pretty sure i went with APP104's
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  7. 09-14-2009, 09:49 AM #7
    mark21742
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    I run autolite 103's in my ls1
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  8. 09-15-2009, 08:06 PM #8
    MotorDogStar
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    how r LT1 owners liking them?
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