Thread: yet another top swap question

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  1. #1 yet another top swap question 
    xcwilli11
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    Default 01-27-2015
    So i have the following mods
    Zzp tune
    Top swap
    Gtp injectors
    90 valve spring and retainers
    Hot air intake
    180 t stat
    Poly motor mounts
    Pacesetter headers
    1 3/8 inch radiator
    1.9 rockers
    Ported supercharger
    Egr valve blockoff
    Ported L67 throttle body
    And eventually a pulley drop

    The question is i have 2 sets of spark plugs, platinum 103's and copper 104's, What should i use.
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  2. #2 Re: yet another top swap question 
    dsmuts
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    Default 01-27-2015
    I'd run copper 605's
    98 GTP modded 1.9's, sd headers, 3.4", zzp 1.0 230K miles scrapped.
    04 Comp G zzp stb's, UMI ta's, Speedbuilt sways, bully flo heads, XP, zzp headers, fsic, thrasher shift kit, 60#, 2.6" corsa 2.5", Inferno hood
    01 gt z7 turbo tep trans zzp motor
    08 g8 gt cam exhaust 11.87@118
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  3. #3 Re: yet another top swap question 
    Speedy1973
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    Default 01-27-2015
    ^this
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  4. #4 Re: yet another top swap question 
    xcwilli11
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    Default 01-27-2015
    Yeah, I'll look into them
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  5. #5 Re: yet another top swap question 
    Scottydoggs
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    Default 01-27-2015
    with the pulley drop the 104 may work. once you start modding you need to try a set or two of plugs heat ranges at different gaps. you'll know what feels best.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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