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  1. #11
    Smokin 1000HP - Member Jibber has a 100 shotJibber has a 100 shot Jibber's Avatar
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    SmokinStangs - Mustang Forum! The home of the SmokinStangs Laconia - Mustang Rally
    Really, Really Nice. It's done beautifully and tastefully. Congrats!!!!


    Jibber (AKA. Kevin)
    2004 Screaming Yellow Cobra

  2. #12
    Founding Member SmokinStang has disabled reputation SmokinStang's Avatar
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    Very Nice Dave!! Man...you truly have a great collection of coverage with your baby
    Great right up & photo's of the "Sonic Cherry!!"

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    PS:
    Where is Jerry Wrobleski (your tuner) out of??

    How are you finding the modified 4R70W AOD-E??
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  3. #13

    4r70w aod-e / reference insert

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    4R70W

    A revised version of the AODE was released in 1993 with the Lincoln Mark VIII.

    4R70W stands for 4 gears, Rearwheeldrive, 70 stands for the 4th gear ratio, and Wide gear ratio.

    It has lower 1st and 2nd gear ratios for better take-off acceleration and improved gearset strength. On vehicles powered by a 5.4 L V8, a stronger gearset is used than in normal duty 4R70Ws. In 1998, due to durability concerns, the intermediate one-way roller clutch was replaced with a mechanical diode providing extra holding capacity and longer service.

    While there is speculation that the 70 can be multiplied by 10 to indicate the ft-lbs of torque this transmission is capable of handling including torque converter multiplication, (i.e. 700 ft-lbs of torque), there is no reliable source indicating this. In fact a Ford document stated that the 2003 "Expedition's 4R70W transmission is rated to handle up to 506 foot-pounds of torque, which provides a large performance cushion beyond the peak torque rating of Expedition's largest available engine." http://media.ford.com/products/press...423&make_id=92 . It is more plausible that the number indicates the torque handling capability in N-m, as 506 ft-lbs converts to 686 N-m which could be rounded to 700 N-m. The "70" may also refer to the transmission's torque capacity after torque converter multiplication which occurs at low rpm's when the torque converter is more "elastic".

    The gear ratios are: 1st: 2.84 :1 2nd: 1.55 :1 3rd: 1.00 :1 4th: 0.70 :1 Rev: 2.23 :1

    Applications:

    1993–1998 Lincoln Mark VIII
    1993–2003 Ford F-Series
    1994–1997 Ford Thunderbird
    1995–2004 Ford Crown Victoria
    1996–2001 Ford Explorer
    1993–2004 Lincoln Town Car
    1994–1997 Mercury Cougar
    1995–2004 Mercury Grand Marquis
    2003 Mercury Marauder
    1997–2004 Ford Expedition
    1997–2001 Mercury Mountaineer
    1996–2004 Ford Mustang

    Many improvements have been made to the 4R70W since 1993, the most significant was the use of a "Mechanical Diode" beginning with the 1998 models. Newer transmissions are referred to as 4R70E, 4R75W or 4R75E to differentiate them from previous models. The 4R75E/W has greater torque capacity than previous models.

    The most practical modification for the 4R70W is the J-mod. It involves modifying the valve body separator plate and gaskets and changing out some accumulator springs and removing others to alter the shift timing of the transmission. It encompasses modifications specified by one of the Ford engineers who designed the transmission. It offers faster engagement, quicker shifting, smoother operation, and increased service life. All parts can be bought at Ford dealers for less than $60 including the fluid.

    A 20,000+ GVW cooler is highly recommended for all vehicles. Breakdown of the transmission fluid often results in "converter shudder" (feels like driving over rumble strips) where converter tries to maintain a steady slip rate during lock-up, but alternates between slipping and grabbing. Frequent fluid changes, especially when used for towing, are the single best method to prevent shudder. Shudder occurs because the torque converter never fully enters "lock-up", and ends up bouncing in and out of lock-up to slip. This causes the engine to flare up and then down again as the clutch cannot hold back the power of the engine.

    SOUCE via WIKI / Wikipedia: http://en.wikipedia.org/wiki/Ford_AOD_transmission
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