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  1. #1
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    Default possibly getting a blower

    Hey guys, found a decent deal on a centrifugal supercharger. Just curious if i should be switching spark plugs when adding some boost? If so what plugs should i use?

    Car is a 95 Z28, ported heads and intake, cam (almost all supporting mods), RR, full exhaust.

    Thanks!

  2. #2
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    Default

    Yes. Colder plugs...tighter gaps... depending on how much boost, minimal changes at the least to ur fuel system... and if alot of boost, even more changes. Also no matter how much boost... LOTS OF TUNING!

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  4. #3

    Default

    I will be that guy, if you are asking about if plug changing is required, perhaps more research is required before pulling the trigger on boost.
    Correlation does not imply causation.

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  6. #4
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    Default

    Quote Originally Posted by shownomercy View Post
    I will be that guy, if you are asking about if plug changing is required, perhaps more research is required before pulling the trigger on boost.
    This, along with a cam change to net power. Most cams will not give you the full benefit of all the work you're doing when adding a blower (shelf grinds), also, a stout fuel system upgrade will be needed if it's already heads/cam with boost added on. I maxed a single 255 and 42lb injectors with a p600b and heads cam. Almost wasn't pretty.

    Alot of research should be done, it gets expensive quick

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  8. #5
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    Default

    I have upgraded fuel pump and the only thing left on the list for me is plugs only reason why I came here for the info. Won't be running much more than 6 lbs of boost. how much colder plugs? and how much tighter gaps?

  9. #6

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    I run TR6 plugs and a .035 gap
    Correlation does not imply causation.

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  10. #7
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    Thanks for the help! I had read before that TR6 was the way to go just wanted some reassurance.

  11. #8
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    Default

    TR6 will be fine without knowing much more about the setup. What head unit/system are you running?

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  12. #9
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    I run .028 gap.

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    2002 Caddilac EscaladeL CAI, lowered, 6.0 , AWD..





  13. #10
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    Br6ef at .030 for 8ish psi

    Sent from my SAMSUNG-SM-G900A using Tapatalk
    2021 Charger Scat 392
    1994 Firebird Formula 381 stroker - Carrying the torch! - 9.90 @ 134.3mph on a 200 shot

    The wrench/driver for LTConvert's 94 Z28- Ellwein 383/LE Trickflows/ D1SC / CPT Ultra Pro Race 4L60E
    10.78 @ 125mph. Shooting for 9.99 for Frank Cahall!

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