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Thread: 4R70W swap?

  1. #1

    Default 4R70W swap?

    currently replacing the transmission off of my 97 CV due to losing all drive gears and my father brought up an idea. Has anyone paired the 4R70 to the 3.8? Definite upgrade from the C5 but not sure of the complications. Obviously will rebuild the transmission. If anyone has any information on this, it'd be appreciated.
    Ray

    1986 Mustang "Frankenstang" '03 IRS 3.8 CFI
    1997 Crown Victoria, partially Grand Marquis

  2. #2

    Default

    The 4r70w came behind the 3.8 and 4.2 v6 motors. Same bolt pattern as a sbf trans. I put a v6 4r70w behind a 351w based motor.

    Jess
    Previously owned;
    1979 Mustang, v6 swapped to EFI 393, custom installed m122 blower, 4r70w trans, Megasquirt II, T-top swaped in.
    1990 Mustang, 545 BBF, C-4 with brake, ladder bars.
    1983 Mustang, 1984 SVO Mustang
    1984 Mustang convertible, v6 swapped to 351
    1986 Mustang GT, 1989 Mustang GT convertible
    1992 Mustang coupe, 4 swapped to 302

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