2001 and later can handle 500hp with only our controller or modified engine computer. 4R70E, 4R70W, 4R75E, 4R75W Remanufactured Valve Body Part No. 1998 and later 4R70Ws can handle up to 500 HP with our valve body kit. Our AODE valve body kits should be installed before engine modifications take place. Another advantage to using the AODE / 4R70W platform is the fact that they are non-synchronous during the 1-2 and 2-3 shifts.Īn early AODE / 4R70W can typically handle 25-50 HP above stock power levels. Non-synchronous shifts occur by simply applying the next element and do not require any components to release prior to engaging the next gear. 700 pound-feet torque rating The gear ratios of the 4R70W transmission are: First gear: 2.84 Second gear: 1.55 Third gear: 1:1 Fourth gear: 0. These can take longer to complete and be more difficult to tune. All modifications are already done for you with this kit. Modifications similar to what is commonly known as the Jerry mod, jmod or j-mod. Performance Automatic totally redesigned the fluid circuits to eliminate the inconsistent computer operations. Overview Reviews Tell a Friend BCA Performance Valve Body for AODE, 4R70W, 4R70E, 4R75W, 4R75E transmissions Plug and play complete valve body.
#4r70w valve body diagram manual
4R70W (wide gear ratio) offers all of the above with lower 1st and 2nd gear to aid acceleration.Ī synchronous shift is one that requires either a clutch or a band to release before the next element engages to complete a shift. Note: Deep Pan required with all Transbrake Valve Bodies Also available: AODE 4R70W Full Manual Pro Transbrake Valve Body Finally full control without the computer hassles. Although unable to in its factory configuration, it is possible to modify the valve body to achieve converter clutch lockup in 1st gear. This means you don't have to compromise between streetability and performance. The torque converter clutch can be locked or unlocked in 2nd, 3rd, and 4th gear. Other improvements include a 2 inch wide overdrive band, larger overdrive servo, stronger input shaft, and lockup converter clutch rather than mechanical, gear-dependent lockup. The valve body is thicker, simpler, less likely to warp, and more reliable than that of the AOD. The J-Mod has been performed by many people on the 4R70W transmission using the detailed articles found on, however no updates to the article have been published specifically for the late model Panther platform cars.
Only 7/8ths of an inch (22mm) of added length to the bell housing means that these transmissions will fit just about anywhere the older AODs did. Often times, they are a better choice and more cost effective than upgrading an AOD. We recommend obtaining a 1998 or later transmission for your project because they contain most of the important updates and are best suited for performance applications.Ĭompared to the AOD, they offer increased strength, greater reliability, and complete electronic control of all transmission functions. Received hardened gears in certain models, i.e.
#4r70w valve body diagram update
Received Intermediate one-way clutch / Mechanical Diode update.First year of the wide ratio gear set, available only in the Lincoln MKVIII.
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