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Thread: Spark Plugs

  1. #1
    Join Date
    Mar 2005
    Posts
    42
    what is the best spark plug to run in a 6.0l with a .224 .230 .581 .592 114lsa cam and minor bolt ons and 150 shot of nos. and will my stock 4.8l fuel pump give the motor enough gas or do i need to put a aftermarket one. PLEASE HELP
    2000 RCSB SS 2WD 6.0L LQ9 4L60E

    LS6 INTAKE, MSD WIRE, 80MM BBK THROTTLE, AIR AID THROTTLE BODY SPACER, BODY, 80MM SLP AIR METER, 36LBS INJECTORS, LS1 ELECTRIC FANS, YANK 3200 STALL, 4.10 GEAR, FAST FUEL RAILS, COMP CAM .224 .230 .581 .592 114LSA WITH 918 SPRINGS, PACESETTER LT HEADERS, 3" EXHAUST DUAL SUPER 40 FLOWMASTERS AND CUTOUTS, NELSON TUNE, SLP 160 THERMOSTAT, THROTTLE BODY BYPASS AND NO EGR OR CATALYTIC CONVERTERS.

    4L60E WITH STAGE 2 SHIFT KIT AND VETTER SERVO

    FUTURE MODS: STAGE 2 HEADS, SUPERCHARGER, UNDERDRIVE PULLEYS AND A 6 SPEED TRANS

  2. #2
    Join Date
    May 2004
    Posts
    2,120
    I would use NGK TR6's. I posted a cross reference response awhile back over to the NGK Iridium plugs. I'm sure they would be sufficient also. Remember to retard your timing 6 degrees for a 150 shot when you spray. Rule of thumb is 2 degrees for every 50 shot. Are you gonna spray wet or dry?


    97 GMC, 2002 LS6.

    1991 GMC Syclone #1428

  3. #3
    Join Date
    Mar 2005
    Posts
    42
    what do you mean degree my timing. and it is going to be a wet nos kit
    2000 RCSB SS 2WD 6.0L LQ9 4L60E

    LS6 INTAKE, MSD WIRE, 80MM BBK THROTTLE, AIR AID THROTTLE BODY SPACER, BODY, 80MM SLP AIR METER, 36LBS INJECTORS, LS1 ELECTRIC FANS, YANK 3200 STALL, 4.10 GEAR, FAST FUEL RAILS, COMP CAM .224 .230 .581 .592 114LSA WITH 918 SPRINGS, PACESETTER LT HEADERS, 3" EXHAUST DUAL SUPER 40 FLOWMASTERS AND CUTOUTS, NELSON TUNE, SLP 160 THERMOSTAT, THROTTLE BODY BYPASS AND NO EGR OR CATALYTIC CONVERTERS.

    4L60E WITH STAGE 2 SHIFT KIT AND VETTER SERVO

    FUTURE MODS: STAGE 2 HEADS, SUPERCHARGER, UNDERDRIVE PULLEYS AND A 6 SPEED TRANS

  4. #4
    Join Date
    May 2004
    Posts
    2,120
    I would have some type of retard module to retard your timing when you spray. MSD makes one. A wet shot sprays directly into the manifold and a dry shot sprays before the MAF.


    97 GMC, 2002 LS6.

    1991 GMC Syclone #1428

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