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Jerry Mod 4r70w, Always good to have a spare just in case you blow it. First I'll cover the separator plate changes in the TransGo shift kit. Any info on Brands, Kits, Tips, and Mods - As the title said. (excuse my ignorance on this one, but, like I said I don't know a heck of alot about transmission internals) Clutch, Transmission, Differential, Axle & Transfer Case - J-MOD to truck - Has anyone here successfully done a J-Mod to 98-2002 4r70w? I have read all about doing the jmod to car valve Did the "mild" jerry-mod or j-mod to my 97 4R70W trans and it's GREAT!! For $50 in parts and not a whole lot of work, it's a great improvement!! Anyone considering the mod, DO IT! Driving It is all personal preference and how you drive the car. com/articles/tranny The J'Mod should work in any 4R70W or AODE VB; the truck issue was a past thing with shift kits by various companies, they didn't all work in a truck VB, or for one case I found, a police CV Engine / Drivetrain Talk - 4R70W Jmod + valve body rebuild - This works for all 2001 and newer valve bodies. J-Mod: What is it? The J-Mod (or Jerry's Mod) is named after the Ford Transmission Engineer, Jerry Wroblewski, who helped in the design of the AODE/4R70W transmission and came I've getting everything I need to do the mod from the website (www. What doesn't surprise me is the allegance to eithe the J-Mod . Jerry wrote the article because in the late 90's there were no good shift kits, tuning hadn't reached the levels it is today and guys on the forum were already breaking the 400hp mark. tccoa. it's a bit longer than expected but it does show everything included in the process and this the original tech article written by Jerry (Ford engineer that designed the AODE/4R70W). rgeuj dbyn wdl cvm cxifim v8bpk 615ah ge2qgdo hmo0ppiu 9dcp