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  1. #1
    Lurker


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    Offline
    Join Date
    Oct 2015
    Name
    Tom DeFeo
    Vehicle
    96 Pontiac formula ws6
    Posts
    13

    Default What plugs to run

    Was wondering what spark plug you guys recommended for a 12.2.1 383 lt1 on spray. Eventually going to use meth and Going to work my way up to 250+ shot. Also what gap to run. I know its prob. going to need a pretty cold plug.

  2. #2
    Lurker


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    Offline
    Join Date
    Nov 2008
    Vehicle
    94 trans am
    Location
    chatsworth,GA
    Posts
    324

    Default

    What heads are you running?
    94 trans am forged 355, le 21* trickflows, le cam, a4 3800 stall

  3. The Following User Says Thank You to TravisMcGill2000 For This Post:


  4. #3

    Default

    need to know cylinder head before making plug suggestions....there is a chart in the gas facts sticky
    1994 Formula, 396cid, AFR 227's, Single plane, and 2 of the big ones.
    http://ltxtech.com/forums/image.php?type=sigpic&userid=241&dateline=12653889  02

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