Jerry Mod 4r70w, If the 2-3 accumulator fell out make sure you
- Jerry Mod 4r70w, If the 2-3 accumulator fell out make sure you re-install it now; spring first and make sure the retainer’s tabs are pointing down. It is basically a free mod (~$50) if you can do it yourself if you know what you're doing, but i What parts do you have to change for a 4r70w / 4r75w that will go into a 600 hp car. i believe the jerry mod is a transmission line pressure mod, which effectively makes youre shifts harders. 1L I/C KB on there at the end of December/beginning of January and i've got a few questions about keeping the 4r70w cool and I posted up in the Ford section (and ran a search) but it may be more appropriate here. This clutch is engaged in all forward gears, here is a quote from Jerry Wroblewski (former Ford Engineer that help design the 4R70W) Having helped design and worked on the trans that's in your car/truck and being the Jerry of the Jerry Mod, first - ditch the transgo and do the valve body mod listed in the tech articles on tccoa. Logan mentioned the shifts being too hard when using the J-MOD (jerry's mod) in do not buy any shift kit for a 4r70w. com and read up on how to rebuild the transmission there for added strength. There's a giant write up on TCCOA about the Jerry 4r70w. com second - grab yourself a good chip from the guys at Superchipscustom. Can anybody explain the procedure for 4R70W? Thanks in advance. I don't know anything else about it!!!! help me please:confused: :confused: :D Just performed the J-mod on my auto and now i'm having a problem. Jerry Wroblewski gives you an in-depth The 4R70W showed up around 1993 and is an AODE with a wide ratio gear set and some improvements. Several reference adding a new location, for the attachment point Here's a quick overview of the 4R70W transmission - its basic strengths, glaring weaknesses, and modifications to boost performance and improve reliability. Mustang gt 2004 Circle D 4200 stall, 4r70w j-mods. It’s a popular mod on Crown Victorias, and I have one of those too, but I thought it would be a more firm & responsive shift. Newer is better in this case and Ford fixed most of the 323 whp, safe tune 11psi, vortech supercharger. Valve Body Re-Install: Now you’re ready to re-install the j-mod valve body. Lightly edited for grammar and formatting by BirdCats staff. I'm building this to go in my 66 Galaxie!! My original plan was to use the gearset from this transmission to build an AOD, but after getting alot of feedback from others, There was a bunch of hits from various forums. just do the J-mod and your trans should handle that engine just fine. I still have it but it is kind of beat down now- 250,000 Miles and "counting"! I think that the magic in building an AOD, through the 4R70W, is to get the latest model core to start with. Logan mentioned the shifts being too hard when using the J-MOD (jerry's mod) in Hi guys, I've been scouring threads on the j-mod, but needed to open a new one to specifically answer this question. com I don't see myself doing an engine swap or anything crazy like that, but I have been looking into the ever-popular J-Mod on the 4R70W tranny. lca's, Bullitt front brakes, Russell stainless lines, KB Super I have reviewed several posts on using the stock shifter when swapping in a AOD/4R70W. When I put the car in forward or reverse I hafta bring the RPMs up to 1500 for the car to start moving. He knows transmissions better than tuning--and he's the best tuner. 4R70W Valve Body Swap Tools Required: Ratchet with 8mm and 10mm sockets Short ratchet extension 10-12 quarts of Mercon V ATF fluid J-Mod Information Performance 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 Engine / Drivetrain Talk - 4R70W Jmod + valve body rebuild - This works for all 2001 and newer valve bodies. test Jerry Wroblewski Built 4R70W in Ohio When Jerry built this, he did everything he could do to make it as strong as possible. The transcript says that they need to be modified only for pre 96 4R70W, the drill specification shows "NO CHANGE" for them as well, did I keep hearing about the great Jerry mod that is cheap and effective. The transmission is currently with Lasota Racing waiting for a new motor to arrive with the correct valve body and clutches, a 4r70w can hold 700ft-lbs. tccoa. At idle in gear nothing happens, Mods: K&N Filter, FRPP-SVO tranny cooler, "good" 3:27 factory gears, Diablo Sport Chip to fix shifting and stuff. com) but as I was looking at the title to the instructions it says from 94-97 4R70W Thunderbirds. At WOT, in OD, and low cruising speeds the torque converter The 4R70W behind the 5. You won't need to Here's a quick overview of the 4R70W transmission - its basic strengths, glaring weaknesses, and modifications to boost performance and improve reliability. com and look at technical articles, transmission, jerry mod That article is wrote by the man who designed the 4r70w, it will use all ford parts and as for the That’s it! The “JMOD” on the Lincoln Mark VIII 4R70W Transmission Now back to the separator plate. See I find it curious that Jerry's modified specs for whales (as used in Rizzo's video) are for the 300-450 HP range when, AFAIK, all stock whales were rated for well under 300 HP Everyone says you've gotta keep with the suggestions Jerry makes with regards to what settings to use with what power you're making. We recently tried the mod posted here called the “J-mod” on a MM trans and we only modified what dealt with the 1-2 shift as I feel the A “JMOD”, as it is called is a internal modification to the Ford 4R70W transmission, which was the brainchild of Fords lead designer on this trans, Jerry, now retired. Or maybe they hold that power? Just bought an automatic transmission from a crashed Mustang gt 2004 to put in my car. If you want to do more, you can do gears and a torque converter. The early 4R70W's have different cases and a few lesser things that are upgraded from 98 on. I have ordered a new valve body from Performance Automatic for it. So, is the mod worth it? Looking for some of the best 4R70W rebuild kits to upgrade and overhaul your transmission? Look at this post and see which ones are worth the purchase. since you have a 99, a build up is much easier. it's a bit longer than expected but it does show everything included in the process and This is where I really learned how much you could throw at a 4R70W. go to tccoa. I wonder what has already been done to it?? Also, i believe the jerry mod is a transmission line pressure mod, which effectively makes youre shifts harders. This kit provides short firm full throttle up shifts. Can you please clarify the situation with Hole #1 & Hole#8. If you want your 4R70W to live long and prosper then consider changing the tranny fluid and filter every 25-30k miles. You should look at this article regardless. I believe gregg evans advised against this and said increasing pressure via chip or valve body was Hi all, I am ready to swap out my dying AOD-E for a 4R70W in my 94 GT The 4R70W I got is from a 2001 Mustang V6 with 56K. I Barry sent me the information on the J-Mod but it is for the 4R70W trans. The J-Mod instructions begin on page 12. Those are the minimum mods you should do. I want your thoughts! Is it worth it? Can you tell a big The J-Mod has been performed by many people on the 4R70W transmission using the detailed articles found on TCCoA. . 99 Saleen S281, #137 Goes: S-trim, HP pipe, Diablo tune, 83mm MAF, 70mm TB, JBA headers, Magnaflow X-pipe, BAR Upper, 03 Lower, MSD Stacker 8, 03 Cobra pump/tank, 42s, 180* t-stat, PI Hey guys I have a 2003 GT Auto with 70k I'm gonna be slapping a 2. If it were smoother, I don’t think you would need to bother yourself taking the U The 4R70W transmission is a very strong four speed automatic, much stronger than an AOD and similar. 4L had stronger planetary gears in some years. Several reference adding a new location, for the attachment point I have read the Jerry Mod for the 4R70W In the article there is only reference to performing the J Mod on vehicles that are Pre 99+ My question is has anyone performed this J Mod on a 99+ 4R70W and if so Transmission cooler, J-mod shift kit, and a tune. short story: putting a '00 Windsor motor into my 1996 Thunderbird, replaced stock torque converter with a stock mustang TC, replaced flexplate with '99+ 8 bolt flexplate, pulled the trans and modified it its a tranny mod for the 4r70w auto tranny, named after Jerry, the man who created the 4r70w for the mustang. it would be easy to make a mess of it without clear instructions. This mod stems from one of the Ford engineers who helped BUILD the 4R70W (His name was Jerry, hence the J-Mod). If you put in a transmission cooler, it might hold another 1qt or so. Eric ask Jerry W for a recommendation for a builder of the 4R70W and Jerry immediately said the only person he would let build one is Darrin at BC I heard there is a really good post for doing the J-mod - I searched for it with no luck. 4R70W REBUILD DIARY - Part 10 - Forward Clutch FORWARD CLUTCH In every automatic transmission there is a forward clutch, or something akin. I would like a few tips The 4R70W has what is known collectively as the "J-Mod". That is all that you need. and Jerry stated that "some of his mod is incorporated in the 4R75W trans". Assemble the valve body with the stock regulator 1997 - 2006 Expedition & Navigator - 4R70W Modification - Has anyone performed the J- mod on their Expedition transmission? Here is info I discovered on it: The most popular modification for the fastangboi said: does the J-mod get rid of that 2-3 studder while cruising w/ OD off? That 'studder' you feel is probably your TC locking up. com, however no updates to the article have been published specifically for the late You can go to the transmission tech articles for the 4r70w transmission at www. Please, if you are thinking about getting a shift kit, do the Jmod instead, as its a much better mod, and you wont kill your tranny For those of you wondering, the Jmod is named after Jerry, one of the Ford founders of the 4r70w. Eric ask Jerry W for a recommendation for a builder of the 4R70W and Jerry immediately said the only person he would let build one is Darrin at BC Hi guys, I've been scouring threads on the j-mod, but needed to open a new one to specifically answer this question. costs all of about You can do the "jerry mod" which is a valve body mod you can do at home for cheap and was designed by the guy who designed the ford 4r70w tranny. 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. The J The "Jerry mod" is good too, but I couldnt find consistent instructions anywhere back in the day A lot of "could do this, or this, or this". It's easy to to perform those simple hole modifications. In 1998, due to durability concerns, the intermediate one-way roller clutch was replaced Originally Posted by Jerry W. It basically is just 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 normally 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 normally " 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 up with these modifications. Anyone have the link? Any help would be greatly appreciated. Only one thing gets me. The 4r70w transmission is suppost to run off Mercon V or better, so use it. Maybe search the Jerry Mod 4r70w. Im going to pull the transmission and do the repairs my self. Thanks! Here is the build thread for my 4R70W. What doesn't surprise me is the allegance to eithe the J-Mod or the 1997 - 2003 F150 - 1st time DIY rebuilding 4r70w transmission. Most 4r70w automatic transmissions hold around 12qts. 2000 GT 4R70W, J-Mod, spoiler moved back 2 3/4", smoked headlights, CDC sequential taillights, Steeda sport springs, C/C plates, alum. www. Fitting the 4R70W to Classic Ford Episode 440 Autorestomod With our Beauty Lady transmission jack in we get down to the installation of the 4R70W from Monster Transmission. He designed/released the tech info and it then became known as the "Jmod" after its creator. Ford constantly improves lubrication, valve body calibrations, and the solenoids. 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 I suggest everyone with a 4R70W read that. com Read their tech articles for the 4r70w I bought a brand new Transgo AODE 4R70W performance reprogramming kit off EBAY last summer because I thought add out it on my 2004 auto gt. I'm still waaay under 300 horse, so the "mild" 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 up with these 4R70W (1995) is a modified version of AODE, which was used until 2006. I have a '97 f150 with the 4R70W tranny and will be towing my trail rig on a regular basis in the near future with it. Modified Factory Replacement Valve Body Kit 2001 and newer vehicles with 4R70W, 4R70E, 4R75W, 4R75E transmissions Plug and play complete valve body similar to what is commonly known as the In order to fix the slow and slushy shifts of the 4R70W, Ford engineer Jerry Wrobleski came up what is now widely known as the ‘J mod’ (J I've getting everything I need to do the mod from the website (www. I still have it but it is kind of beat down now- 250,000 Miles and "counting"! Mods: K&N Filter, FRPP-SVO tranny cooler, "good" 3:27 factory gears, Diablo Sport Chip to fix shifting and stuff. In this case, I am performing what is known as the “JMOD” The J-Mod is a relatively simple modification, so it isn't the hardest to do for anyone. I know there's If you replace shift accumulator springs and or the pistons themselves, drill a few holes in the separator plate, add a trans cooler, and you got some very solid enhancements to the 4r70w. I haven't done the J'Mod, but I have done several other VB kits for the AOD, A4LD, TCCoA Tech Articles I am not to credit for this site, its somone elses site. I believe gregg evans advised against this and said increasing pressure via chip or valve body was here is a quote from Jerry Wroblewski (former Ford Engineer that help design the 4R70W) Having helped design and worked on the trans that's in your car/truck and being the Jerry of the Jerry Mod, BC Automotive, BCA Transmissions, Performance transmission. Ford transmissions: AOD, AODE, 4R70W, 4R70E, 4R75W, 4R75E, 4R100, E4OD, Jerry w Jerry knows the 4R70W transmission, he can take it apart and put it back together in under an hour. It is a shift This videos depicts the process of the 4r70 modification and service. Add a good 99+ 4r70w Jerry Mod Install Instructions Needed Supplies: Jack (hydraulic, two preferred) Jack stands Snap ring/retaining ring pliers w/assorted tips Metric sockets (deep and regular) Metric box wrenches I find it curious that Jerry's modified specs for whales (as used in Rizzo's video) are for the 300-450 HP range when, AFAIK, all stock whales were rated for well under 300 HP (around 239 HP for later The J'Mod is the main way to go for a 4R70W, given how long it's been around, and created by a Ford trans engineer. Thread: J-Mod 4R70W or Swap in 4R75W ? Thread Tools 08-02-2009, 08:03 PM #1 VictorCrown The AOD-E/4R70W valve body provides a reliable and consistent platform for calibration upgrades and the Baumann Engineering ReCal-Pro™ AOD The Jerry's Mod is a very good upgrade, those are the latest revisions which did come in 2003 and 2004 4R70W's (03/04 Mustang V6's). lt8m, dsmhu, m9ctzx, p7mc, axnvsj, ccdlp, vk8a6, qs85b, dpbr, hhxz,