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Thread: spark plugs

  1. #1
    Join Date
    Nov 2004
    Posts
    96
    I just bought a supercharger and wanted to run the NGK's Tr55, but what gap would work best. My factory gap is .060

  2. #2
    Join Date
    Nov 2003
    Location
    Denton Texas
    Posts
    20,540
    .032-.035" The more boost, the smaller the gap.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

  3. #3
    Join Date
    Nov 2004
    Posts
    96
    <div class='quotetop'>QUOTE(RedHeartbeat &#064; Jun 6 2007, 05&#58;22 PM) [snapback]95830[/snapback]</div>
    .032-.035" The more boost, the smaller the gap.
    [/b]
    what would you prefer for 6psi?

  4. #4
    Join Date
    Jan 2006
    Posts
    2,590
    I RUN TR-6 &#39;S WITH A .35 GAP.

    JAMEST
    12 Sec. Club! SOLD
    La Viuda negra/ a.k.a. Black Betty

    LQ4 6.0L, WCCH HEADS, LEVEL 5 FLT 4L80E TRANS. WITH TRANS BREAK, YANK 3200 STALL, TRICK TURBO, TURBONETICS T-76 TURBO, CUSTOM INTERCOOLED, 68lb INJECTORS, CUSTOM S/D TUNE FROM NELSON PERFORMANCE, COMP CAM 212/214 .557/.559 116+2, SNOW METH. KIT, . ALL INSTALLED AND DYNOED AT NELSON PERFORMANCE: 5**?HP @ 5073rpms and 5**TQ @ 4389rpms AT THE WHEELS WITH 10 PSI OF BOOST. ALL 3/4 TON TRUCK 5435LBS, NOTHING TAKEN OFF, STREET TIRES, AND USUALLY 2 BABY SEATS. WANNA RIDE?
    SOLD***

  5. #5
    Join Date
    Nov 2004
    Posts
    96
    Thanks man, the supercharger wont be here until tues., I cant wait to have it all in. Im hoping I can get in the 14&#39;s after this.

  6. #6
    Join Date
    Feb 2007
    Location
    Fort Worth
    Posts
    9,578
    From what I know, TR-6 is the plug to go with, but the gap??? I know the smaller the better for FI...

    2000 ECSB 6.0L
    TORQUER V2 CAM ● COMP 918's ● 7.4 HARDENED PUSHRODS ● K&N SERIES 77 CAI ● 80mm BBK ●PACESETTER LT HEADERS AND 3'' ORY ● SUPER 40 FLOW ● 3000 STALL ● 4.10s ● BUILT 80e ● VORTEC PERFORMANCE TUNE ● MSD 8.5mm PLUG WIRES● ELEC. CUTOUT ● UD & ALT PULLEYS ● FLEX-A-LITE E-FANS ● 22" CENTERLINE STINGRAY III's ● LUND FIBERGLASS TONNEAU ● 2" LEVELING SHACKLES ● 12K HID LOWS & FOGS ● LEDs ● DEBADGED ● WHITE-FACED ESCALADE GAUGES ● KICKER 450.1 ● 2-CVR 10's ● DS60's ● K693's

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