Thread: spark plugs

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  1. #1 spark plugs 
    SE Level Member samuelcb409's Avatar
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    currently running a 3.4 with a supporting mods and few more, had al104 coppers but when upgrading wires plug cracked so was think of going with a better plug maybe iridium plugs... which is the best to get?

    MODS: 3.0 MPS, CAI, SD Headers w/Custom 3"DP, 160* T-Stat, NGK TR6, Full Size intercooler, #42.5s, Ported LIM & Gen III, LS1 TB w/85mm MAF , s1x Cam, #90 Springs, Intense Pushrods, EGR Delete, Cat and U Bend Delete, Magnaflow Resonator & Mufflers, Fully Built ZZP Trans, 2800 stall Tuned by KHP Peformance
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  2. #2 Re: spark plugs 
    Perma-Banned! JK LOL Explicit_Spade's Avatar
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    Most people run AL104s without any issues on a 3.4 pulley.

    I believe a 3.2 pulley is when you want to drop to AL103s.
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  3. #3 Re: spark plugs 
    The Blue One blueguy's Avatar
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    Copper plugs for modding...replace the 6 plugs for a buck a piece...vs. the what...6 or 7 bucks A PLUG for iridiums?

    Buy some more AL104's and gap them at .050"...done and done.
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  4. #4 Re: spark plugs 
    SE Level Member samuelcb409's Avatar
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    Could maybe a bad wire cause it to crack or maybe when installing them it maybe broke and didnt notice til idle was off a bit

    MODS: 3.0 MPS, CAI, SD Headers w/Custom 3"DP, 160* T-Stat, NGK TR6, Full Size intercooler, #42.5s, Ported LIM & Gen III, LS1 TB w/85mm MAF , s1x Cam, #90 Springs, Intense Pushrods, EGR Delete, Cat and U Bend Delete, Magnaflow Resonator & Mufflers, Fully Built ZZP Trans, 2800 stall Tuned by KHP Peformance
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  5. #5 Re: spark plugs 
    SE Level Member samuelcb409's Avatar
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    Gap to 0.50 or 0.60 cause thats what i was told to gap to?

    MODS: 3.0 MPS, CAI, SD Headers w/Custom 3"DP, 160* T-Stat, NGK TR6, Full Size intercooler, #42.5s, Ported LIM & Gen III, LS1 TB w/85mm MAF , s1x Cam, #90 Springs, Intense Pushrods, EGR Delete, Cat and U Bend Delete, Magnaflow Resonator & Mufflers, Fully Built ZZP Trans, 2800 stall Tuned by KHP Peformance
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  6. #6 Re: spark plugs 
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    start at .050 then move up to .060 till it starts missing, then tighten it up a bit.
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