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Thread: Best Transmission Fluid?

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  1. #1
    Join Date
    Sep 2005
    Location
    Austin Tx.
    Posts
    13,138
    how often do yall change the cheap stuff compared to the good stuff?
    1951 3100
    1984 C10

  2. #2
    Join Date
    Nov 2003
    Location
    Denton Texas
    Posts
    20,540
    I use the Castrol multi use transmission fluid and change it about every 5k since my truck pretty much lives the life of a dragster
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

  3. #3
    Join Date
    Feb 2007
    Location
    Fort Worth
    Posts
    9,578
    Quote Originally Posted by DBTBSS View Post
    Valvoline dextron IV.
    +1

    Quote Originally Posted by bluecajun5.3 View Post
    walmart supertech dextron III, maybe not the best but the cheapest just as long as you change it.
    Yup--really any Dextron IV or equivalent (as in the Walmart brand) is just as good. All regular tranny fluid is essentially the same. I wouldn't think twice about putting the Walmart brand in my truck. As stated before, synthetics are not really that good because they are too slick...

    Quote Originally Posted by duckysbht View Post
    how often do yall change the cheap stuff compared to the good stuff?
    The same.

    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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