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Thread: 30 or 28 spline?

  1. #1
    Join Date
    Apr 2008
    Location
    Okeechobee, Fl
    Posts
    2,007

    Question 30 or 28 spline?

    The detroit truetracs are made for 28 or 30 spline. Which one do I need?
    2006 extended cab, 6.0 swap, full bolt ons SOLD
    2011 ECSB, 6.2, 6 spd, 3.73, 5" lift, 33" nitto, limo tint, debadged, volant CAI, muffler delete, black bear tune 14.0 @ 98 on the 33'sSOLD
    2007 TBSS AWD, cam, stall, built trans, N2OSOLD
    2006 RCSB cammed LQ9, full exhaust, 3200 stall, 2-4 drop
    Quote Originally Posted by farmtruc View Post
    "if i have to explain, you don't get it"

    49 Ford F1
    355 chevy / turbo 350 / 12 bolt posi / camaro subframed

  2. #2
    Join Date
    May 2008
    Location
    Southern WI
    Posts
    460
    30 from what I remember
    Mike
    2000 RCSB
    '05 LS2 11.5:1 C.R. l K&N l LT's l Torquer V2 l PAC Springs l Manley 7.4's l 92mm TB l LS7 Lifters l Circle-D 3200 l P&P TB l ARP Rod Bolts l LS1 E-fans l Nelson 93 Tune l Brand-X 100 Shot l Walbro 255 l Duals w/ X and Magnapacks l Vette Servo l Transgo S.K. l 30K Cooler l Detroit Tru-Trac l Motive 4.30's l ARP Cap Studs l TA Girdle

  3. #3
    Join Date
    Nov 2006
    Location
    Mesquite, TX
    Posts
    4,321
    yeah 30 spline would be the ticket
    2006 silverado SS....Clifford Jr...turbo coming soon
    1970 Chevelle ly6 swap....d1 coming soon

  4. #4
    Slimsilverado Guest
    30 spline, all 6 bolt lug pattern 10 bolt rear end have 30 splines, 28 spline axels are for the older 5 bolt lug pattern 10 bolt rears. All 99 and up silverado axels are 30 spline......

  5. #5
    Join Date
    Aug 2008
    Location
    North Texas
    Posts
    12,078
    30 splines.

  6. #6
    Join Date
    Apr 2008
    Location
    Okeechobee, Fl
    Posts
    2,007
    Thanx guyz, I appreciate it!!
    2006 extended cab, 6.0 swap, full bolt ons SOLD
    2011 ECSB, 6.2, 6 spd, 3.73, 5" lift, 33" nitto, limo tint, debadged, volant CAI, muffler delete, black bear tune 14.0 @ 98 on the 33'sSOLD
    2007 TBSS AWD, cam, stall, built trans, N2OSOLD
    2006 RCSB cammed LQ9, full exhaust, 3200 stall, 2-4 drop
    Quote Originally Posted by farmtruc View Post
    "if i have to explain, you don't get it"

    49 Ford F1
    355 chevy / turbo 350 / 12 bolt posi / camaro subframed

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