wrong gap size on spark plugs
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  1. #1
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    what is the worst could happen
    I put in the wrong gap size on spark plugs and now my car wont stay on or is hard to start and when it does start gas come of the the carb so I need some big help.
    shit

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  3. #2
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    why don't you just re-gap them? I think you already know the worst that could happen

  4. #3
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    the worst that could happen, is that you get clowned on the internet for not having a $.99 gapper, forget having a ride thats out of tune
    let me know if i am on here too much

  5. #4
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    Originally posted by low_master@Jan 30 2005, 04:58 PM
    the worst that could happen, is that you get clowned on the internet for not having a $.99 gapper, forget having a ride thats out of tune
    [snapback]2660702[/snapback]

    It wasnt that I didnt have a a gapper because I did it was the first time me giving a tune up and the new spark plugs gaps was all ready gap to much I didnt want to do nothing to the spark plugs to make stuff worst than it is so I dont know what you talking about gettion clowned
    shit

  6. #5
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    all you got to do is tap them on something metal or hard surface, and the gap will reset.

  7. #6
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    what car are you working on? the gap might not be the problem, you may have reinstalled the spark plug wires on the wrong plugs, or maybe knocked off a vacuum line ?
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  8. #7
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    Originally posted by bigjune62@Jan 30 2005, 06:02 PM
    what car are you working on? the gap might not be the problem, you may have reinstalled the spark plug wires on the wrong plugs, or maybe knocked off a vacuum line ?
    [snapback]2660929[/snapback]
    it is my regal with a 3.8 motor what do you mean reinstalled the spark plug wires on the wrong plugs

    does the size of the wires have to do with it because I could have that worng
    shit

  9. #8
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    Originally posted by bigjune62@Jan 30 2005, 06:02 PM
    what car are you working on? the gap might not be the problem, you may have reinstalled the spark plug wires on the wrong plugs, or maybe knocked off a vacuum line ?
    [snapback]2660929[/snapback]

    I agree. Make sure your wires are in the right plugs. Most times plugs will be OK right out of the box.
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  10. #9
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    sounds like timing is not right.
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  11. #10
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    Originally posted by sixse7en@Jan 30 2005, 04:53 PM
    all you got to do is tap them on something metal or hard surface, and the gap will reset.
    [snapback]2660893[/snapback]
    if u do this be gentle. u could bust them easy if ur not.
    dunno what he means by it will reset the gap. all it will do is make the gap smaller.
    i'd say gap them to spec and u shoul be just fine

    as for worst thing that could happen. well what your experiencing is about it i believe. well iguess absolute worst would be it not running.

    layta

  12. #11
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    Originally posted by bigjune62+Jan 30 2005, 04:02 PM-->
    what car are you working on? the gap might not be the problem, you may have reinstalled the spark plug wires on the wrong plugs, or maybe knocked off a vacuum line ?
    [snapback]2660929[/snapback]
    [/b]
    <!--QuoteBegin-ogbrkboy
    @Jan 30 2005, 04:30 PM
    I agree.┬* Make sure your wires are in the right plugs.┬* Most times plugs will be OK right out of the box.
    [snapback]2661042[/snapback]
    This is a good answer. Most plugs are gapped good enough for all hei's which is what you have. I would check your firing order and also all vacuum lines.
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  13. #12
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    A good rule of thumb to start is .035". Which pretty much is when you take a matchbook cover and fold it once. It should slide in the gap with alittle drag. That is the easiest to check. Then while your at it, check to make sure you didn't swap aound a few plug wires. It needs to fire certain plugs at a certain time. I have done it quite often.

    As you say it ran fine before the plugs, so it has to be one of those things. Or you may have a bad plug/wire.
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  14. #13
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    tyhe gap is not that big of a deal as some people think. you dont wanna have no space in between it though. one thing it could be is BOSCH plugs... they are NOT meant to be used in newer model gm vehicles. i work for a chevy service dept. and this situation arises all the time. when we tell the customer it was the plugs they just replaced they are usually shocked. but its true about bosch.
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  15. #14
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    Originally posted by nwa_fo_lyfe@Feb 2 2005, 01:33 AM
    tyhe gap is not that big of a deal as some people think. you dont wanna have no space in between it though. one thing it could be is BOSCH plugs... they are NOT meant to be used in newer model gm vehicles. i work for a chevy service dept. and this situation arises all the time. when we tell the customer it was the plugs they just replaced they are usually shocked. but its true about bosch.
    [snapback]2672577[/snapback]


    how new?

    i got a 96' and I have bosch plugs in it.
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  16. #15
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    once gm started using the 3100, 3400 and 3800 v6s. those are the worst to use bosch in. i forget what the first year of the 3100s were but its somewhere around 88 or 89. when i bought my 97 monte carlo it had brand new bosch plugs in it that the previous owner put in. the car always ran like crap. i changed them and found them to be platinum 4s. they were waisted and less than 4 months old.
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  17. #16
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    I'll be honest, I find that hard to believe. I can see it maybe with the 4's, cause the spark kernel is not as open to the chamber like a single plug head. But that would be the case for any vehicle. I use the original Splitfire, and for the money $4-5 a plug they do work great. I also recommend the original Bosch Platinum. Not the +4 style.

    Anyways we are off of the point here. The only thing I can suggest that will tell us what is wrong is to install the old plugs back in and see how it runs. If its better, then you need to re-gap the plugs and put them back in, or you have a bad batch and have to get a new set.
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