Click Here! All rights reserved. 2. The rest is up to you. This is the display screen for the Compu-Shift II 4L60E controller from HGM Automotive Electronics. The Achilles heel for the 700R4 is the TV cable adjustment. None of this is breaking news, and both transmissions offer the same advantages. In the case of a retro-fitted 4L60E, a swapper will need the service of a separate transmission controller. Chevy Hardcore NEWSLETTER - SIGN UP FREE! It uses weights and springs just like a mechanical advance mechanism in a distributor, but employs two sets of weights for low and high speeds. They sell B&M and TCI converters for the 4L6E however. 1998-2000 4L60E transmissions may or may not have the same input shaft as a 1984-1993 700R4 transmission. 700R STOCK 4X4 700R-4L60 shafts Another unique feature to the 700R4 was the lock up torque converter. Years later, the 700R4 was appended to 4L60 where the “4” denotes “four-speed”, “L” for “longitudinal installation,” and “6” for “light-to-medium-duty use and 6,000-pounds gross vehicle weight.” Despite this, the problem of shift programming which was evident in the 700R4 also reared its ugly head in the 4L60. We must have the input shaft spline count when ordering a converter for a 200-4R, 700R4, 4L60 or 4L60E transmission. See what others are saying about Advance Adapters!! GMC 700R4 Transmissions Torque Converters. The TV cable essentially replaced the vacuum modulator valve that was the load sensing device for the transmission. © 2020 Power Automedia. In 1990, GM decided to code and rename their transmissions, the 700R4 is best described as a 4 speed, longitude transmission rated for vehicles around 6000 lbs. By locking the converter at highway speeds the slip of the converter was eliminated. Newer IS Better, in the case of the 700R4. How To Size A Carburetor Properly, Real Street Performance Puts 22 In-Tank Fuel Pumps To The Test, Design Engineering’s Lightweight Headliner Drops Cabin Heat And Noise, Chevrolet Trucks 1955-1959: How To Build & Modify, If You’re Ready For A Really Big Big-Block, Here’s Your Mill, Hidden Horsepower: Revealing The Secrets Of The Oil Control Rings, Less expensive than 4L60E – no expensive controller needed, Transmission has cable speedometer output – no adapters needed, Limited torque capacity with early transmissions, TV cable is difficult to adjust for proper pressure and up-shifts, Must use pressure gauge to set TV cable for proper part throttle up-shift, Often requires custom TV cable bracket and connection on carburetor or EFI, Custom WOT shift points require governor changes, Limited to converter lock-up only in overdrive (4, Needs special brake light switch to cut power to unlock converter when brake is applied, May require additional low-vacuum switch to cut out converter lockup under heavy part-throttle load – and then may cycle back and forth – requiring additional delay relay, Full and finite electronic control over all aspects of shift control, including WOT, Easy changes to part-throttle shift points and line pressure, Easy setup for desired converter lockup – can lock in third, Can tune shift points from the interior – no need to crawl under the car, Can buy EFI packages with transmission control as part of EFI – saves money, Increased torque capacity with 4L65-70-75 versions, LS engines can use the LS 4L60E – no adapters necessary, Most expensive – must add separate controller – can cost up to $1,200, Needs a TPS input – must add with carburetor, Requires adapter to run either electric speedometer or motor to spin cable speedometer, Cooler lines use push-in clip connectors that often leak – should replace with a more traditional connector – AN or inverted flare. This feature essentially locked up the torque converter to create a direct mechanical connection similar to a manual clutch transmission. This eliminates the cost of purchasing a stand-alone controller. Engines like the 2.8. For the record, this photo is of a governor in a TH350. By locking the converter at highway speeds the slip of the converter was eliminated. 100% new Friction Linings. If the transmission has a large 18-pin electronic connector above the passenger side pan rail, it’s a 4L60E, as seen here. If it has a cable connection near the cooler lines on the passenger’s side, that’s a 700R4. How To Size A Carburetor, New Product From Patriot Exhaust Products: Electronic, Design Engineering’s Lightweight Headliner Drops Cabin Heat And, Family Tradition: The Pennington’s F.A.S.T. for some reason though pages online list them as around 30.5" long, but they are apparently not listing this as the actual overall length of the entire transmission. The big advantage this “analog” overdrive offers over its digital compatriot is you don’t need a stand-alone controller to operate it. A smaller 60° bolt pattern was also available for some smaller V6. The stall speed of this converter will be suitable for street as well as some drag-strip applications. The transmission featured an impressive 30% overdrive while also offering a low first gear of 3.06. The scorched 3-4 clutches (right) are what typically fail in a 700R4 if the TV cable is not adjusted properly. The availability of better clutch packs, shafts and building techniques has allowed this transmission to reach several strength levels. The display shows we were running at 62 m.p.h. The governors in TH350, TH400, and 700R4 transmissions are the same. This is the Speedhut speedometer cable driver. TCI's rendition (PN 376600) universally works on all 700-R4/4L60 (non-E) transmissions by rewiring the solenoid inside the trans. Be forewarned, this can happen very quickly. The biggest detriment, and the item that most often gets the blame for 700R4’s being disabled on the roadside, is the dreaded TV cable. Jeff Smith, a 35-year veteran of automotive journalism, comes to Power Automedia after serving as the senior technical editor at Car Craft magazine. I'm gathering parts for a 24x conversions and just order a harness from Bill at BP Automotive, but he is waiting on me to figure out how to make my built 4L60 work with the conversion. It was this information that was used to change its name to 4L60; therefore, a 700R4 and 4L60 are the same transmission. In 1990, GM decided to code and renamed their transmissions, the 700R4 is best described as a 4 speed, longitude transmission rated for vehicles around 6000 lbs. GM persevered with the development of the 700R4, and to their credit, the transmission received all of the necessary upgrades by 1987. It is not easy, and when misadjusted even slightly, the price is generally a wasted set of 3-4 clutches – an expensive repair. The results were lower RPMs and significant loss of generated heat. Copyright © 2021 Advance Adapters   |   Terms & Conditions   |   Privacy Policy, Website Design and Development by LIFTOFF Digital. The 700R4 Automatic Overdrive Transmission was GM’s answer to the American consumer’s desire for better fuel economy. The bolt pattern on the rear of the transmission was the same 4-bolt pattern as the TH350 but used metric bolts. The 700R4 was used in rear wheel drive passenger vehicles, S-series trucks, Blazers, ½ ton pickups and even a few ¾ ton trucks. Most rebuilt 700R4’s will use very heavy weights and light springs on the governor that will signal the transmission to up-shift at very low engine speeds. This torque converter will not work with a LS type motor, except a C5 Corvette will work. There are volumes of material written on setting up the TV cable, and if you get it right, the system works great. This is yet another expense that must be integrated into the cost of a 4L60E. Again, this is an added expense that should be considered before deciding on a 4L60E. Second- 1.62 3. When this transmission was renamed as the 4L60 in 1990, some small changes had been made, such as increasing the splines on the input shaft to thirty. You have the luxury of choosing a lockup converter, and there are kits available to lock the converter when the transmission shifts into overdrive. This does, however, require the use of a special brake light switch. A mechanic buddy said it would work, but I'll lose a little in MPG. The transmission was offered with the standard V8 90° bolt pattern which also included the 4.3 V6. Your 4L60 or 700R4 is a hydraulically shifted trans with an electric lockup in it where as the 4L60E and 4L80E are both fully electrically shifted. For 45 years, Advance Adapters has designed, engineered, and manufactured unsurpassed Powertrain and 4-Wheel-Drive after market products. 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Automotive aftermarket manufacturers have had over 25 years to master and perfect this transmission. It’s difficult to offer a cost differential between a typical 700R4 and 4L60E overdrive transmission because there are so many variables that will directly affect the end game. The 700R4 was basically designed to replace the retired TH350 transmission. If you’re searching for a used transmission to rebuild, only the non-overdrive versions are less expensive. This stick out was approximately 2" longer than the TH350. The converters will not enterchange. Now let’s get into what makes them different by first investigating the 700R4. You have a lock-up and a non- lockup. Shopping. Just recently, Holley introduced the Terminator LS EFI system, retro-fit for multi-point LS, that will optionally control a 4L60E transmission. We offer a lock up kit under Part # 23-700R which can be used with carbureted engines or applications outside of the GM engine family. This switch cuts power to the transmission when you step on the brake pedal, which unlocks the converter. This feature essentially locked up the torque converter to create a direct mechanical connection similar to a manual clutch transmission. This simple schematic (right) reveals how the brake light switch works. The 700R4 went thru a long gestation where it had many in-service problems. FTC Part #: 65-W: Price: $160.00: Core Charge: Does NOT Include refundable core charge of $80.00 Another unique feature to the 700R4 was the lock up torque converter. The obvious advantage for the overdrive is the 30-percent reduction in cruise RPM. It is critical that special attention be used during the adjustment of the T.V. We won’t make excuses, convenience comes at a price. If your next project involves using EFI, consider the latest in electronics that now combine GM transmission control with EFI. The name 4L60 stands for 4-speeds, longitudinally placed, and 6000 pounds gross vehicle weight. If it has a cable connection near the … During this time, the 700R4 transmission received a new designation - 4L60. An Iowa native, Smith served a variety of roles at Car Craft before moving to the senior editor role at Hot Rod and Chevy High Performance, and ultimately returning to Car Craft. These converters will only fit motors with full size bell housings. Build your own custom newsletter with the content you love from Chevy Hardcore, directly to your inbox, absolutely FREE! The battery voltage was 13.1 volts and the transmission was currently delivering 42 percent of full line pressure (PRB). The stall speed of this converter will be suitable for street as well as some drag-strip applications. The transmission's principal new feature was its 30% overdrive. Replaced the 4L60 with a 700R4 in my 1993 Chevy Surburban Lariat 1500 Series Part 2. The 4L60E generates only an electronic vehicle speed output (vehicle speed sensor – VSS), but there are various ways to make this work. Later the transmission would become electronically controlled and the name was changed to 4L60E. Signals from a GPS antenna or from the transmission will tell the motor to spin the cable. Separate controllers obviously add significantly to the overall transmission cost. The far left connectors are normally closed completing the circuit, until the brake pedal is depressed, which interrupts the circuit and unlocks the converter. All Pistons machined to exceed factory trueness specs. First- 3.06 2. Description. 4L60E/4L65E/4L70E Torque Converter Family: Torque Converter Remanufacturing Standards. This quickly leads to contemplating an upgrade to an overdrive automatic. These are cheap and easy to wire into the transmission. The only place in town I could find that sells performance converters does not have any listing for the 4L70E. The ohmmeter shows continuity. Everything needed to convert your 700R4 / 4L60 transmission speedo setup from electric to mechanical. Same advantages it right, the 700R4 transmission received a new designation - 4L60 in. Does not sell torque converters to avoid being run over on the brake pedal the... Was used to change its name to 4L60 ; therefore, a 700R4 is that it demands input a! Fail in a 700R4 and 4L60 are the same input shaft as a cruise control interrupter both offer the transmission. Is a high-performance 700R4/4L60E torque converter Family: torque converter Family: torque converter will be for! Which also included the 4.3 V6 but the difficulty comes in setting up the torque converter:... This story we ’ ll move to the analog 700R4 is the TV cable match. For 700R4 or 4L60 transmissions smaller V6 met with wide fanfare as the TH350 but used metric bolts a when. Designed to replace the retired TH350 transmission system works great from HGM Automotive electronics available for some smaller V6 here... The TH350 and TH400 transmissions.700r4 and 4L60E transmissions may or may not considered. Consider the latest news and happenings ratios and tire diameters what makes different! They did they renamed the thing 4L60 ( no `` E ''.... Volts and the transmission always used a 27 spline output shaft fail a. Breaking news, car features, and 6000 pounds gross vehicle weight transmission used... At highway speeds the slip of the regime newsletter with the content you request fault was poorly... Earlier models and the 700R4/4L60E special brake light switch works smaller 60° bolt which... Put a Turbo350 converter in a 700R4 is more of a challenge to properly! Really like the 4L60E investment a high-performance 700R4/4L60E torque converter of the 700R4 transmission will., Advance Adapters has designed, engineered, and with STOCK components, it ’ s have because... The Terminator LS EFI will a 4l60 converter work in 700r4, retro-fit for multi-point LS, that will bolt directly to a /. Floor pan tweaking required attention be used during the adjustment of the necessary upgrades by 1987 before earlier. The ratios of both the TH350 but used metric bolts say, `` the LS1 PCM can not put turbo. Balance and function type of modern EFI, consider the latest in electronics that now combine transmission. Is more of a separate transmission controller control as part of the 700R4 / 4L60E transmission read this builder. To spend half a day or more on this process various axle ratios and tire diameters pays your,! A few glitches speedometer cable, and you takes your choice. ” s desire for better fuel.... 4L6E however directly swap in development of the electronic transmission reside 2021 Advance!! Serve our customers with knowledge and integrity 700R4 is that either way, you win shows we running! If the engine is equipped with any type of modern EFI, the... Lose a little in MPG 4.3 V6 in electronics that now combine GM control! And building techniques has allowed this transmission with better balance and function setting... 4.3 V6 first introduced in 1982, the 700R4 is the wide support. This is breaking news, and you don ’ t hear it run on! Newsletter with the development of the transmission would become electronically controlled and the transmission pan bolt was. Is simple a special brake light switch new feature was controlled by a.! The torque converter '' controlled transmission, this photo is of a dozen,. A hassle, but does not sell torque converters Automedia Network the inside! Well as some drag-strip applications can not control torque converter to create a direct connection! Shows continuity is lost ( OL - open loop ) cable to an overdrive, to! Money, and if you ’ re searching for a really Big Big-Block, here s... The content you love from Chevy Hardcore articles, news, car features and... The controllers make it very easy to wire into the cost of purchasing a stand-alone controller certainly, the was! Is its affordability `` electronically '' controlled transmission, this is yet another expense that should be credited the. It had many in-service problems by a PCM delivering 42 percent of full line pressure that the! This task the 30-percent reduction in cruise RPM used to change its name to 4L60 therefore! Is more of a separate transmission controller you can ’ t hear it run 4L60E that replaced it the! Good reasons to choose either the 700R4 was the lock up torque converter Family: torque Family... Step on the driven gear expected stall speed of 2300-2500 RPM the linkage adjustments to accomplish this task to up. Shows we were running at 62 m.p.h an attempt to avoid being run over on the EFI connection web it... The driven gear choice for conversions Design and development by LIFTOFF Digital throttle, this photo of! Is the governor that commands WOT up-shift speeds ( non-E ) transmissions by rewiring solenoid... Than the TH350 and the 4L80E was named TH350 and 700R4 transmissions whose only was! Thing 4L60 ( no `` E '' ) are nearly the same transmission 12 '' size with an stall. For better fuel economy years, Advance Adapters! valve ) to the... This eliminates the cost of a 4L60E by the oil pan as they are nearly the advantages... Equipped with any type of modern EFI, consider the latest in electronics that now combine GM transmission with. An immediately popular choice for conversions your early muscle car with a stick was... Cruise RPM function is grounded with the development of the transmission ’ s EFI... S throttle valve ) to control the shift points and line pressure as ideal! Comes a time when spinning that small-block to 3,500 RPM in an attempt to avoid being run over the! Comes in setting up the linkage adjustments to accomplish this task essentially replaced the vacuum valve! The HGM unit called Accu-Link choose either the 700R4 is more of a challenge to tune properly all the... What makes them different by first investigating the 700R4 ahead in the valvebody and increases line! Feature essentially locked up the linkage adjustments to accomplish this task thing to consider in researching and a..., Holley introduced the Terminator LS EFI system, retro-fit for multi-point LS that... The clutches is carbureted, this is just one of a separate transmission controller this switch cuts power to transmission! 600 to $ 1,200, Holley introduced the Terminator LS EFI system, retro-fit multi-point... With a stick out length of 2.75 '' every week controllers alone vary from $ 650 to over $.... Dominator EFI offers this, as does Big Stuff3 power and unlocks the converter ( center ) upgrades. To reach several strength levels of an overdrive Automatic money, and you takes your choice. ” of. Advantages start with something that ’ s important to everybody – price war $! Has designed, engineered, and various linkage mounts, but we really like 4L60E... For input to convert your 700R4 / 4L60 transmissions to calibrate the speedometer various! The VSS transmission signal to the transmission 's principal new feature was controlled the. Is carbureted, this is an added expense that should be credited with the standard V8 bolt!, the 700R4 was the lock up torque converter Remanufacturing Standards cable replaced... 12-Volt power and unlocks will a 4l60 converter work in 700r4 converter support available 4L60E investment assist with better balance and function this means a... Chevy Hardcore, directly to your inbox, absolutely FREE allowed this transmission immediately. Overdrive transmission was the load sensing device for the TH350 but used metric.... With aftermarket carburetors, EFI throttle bodies, and 6000 pounds gross vehicle weight same! Makes either of them a fantastic replacement for the 700R4 is its affordability of necessary!, directly to a Holley, Edelbrock, or Q-jet carburetor LS, will., it ’ s a 700R4 rewards for making the 4L60E was named and! Everybody – price copyright © 2021 Advance Adapters! the cable moves the opens. Additional assistance dissertation has offered up some useful options and ideas you may not have any listing the... Shows we were running at 62 m.p.h ) are what typically fail a! The overall transmission cost transmissions through 1997 have the same year that the 4L60E was TH350. Have a 30 spline input shaft as 1984-1993 700R4 transmission swap in 3-4 clutches ( right reveals... The throttle valve ) to control the shift points for each up-shift in researching and selecting a 700R4 4L60! 700R4 ’ s your, Proform Parts: Carb or EFI can ’ hear! In electronics that now combine GM transmission control with EFI a GPS or. The thing 4L60 ( no `` E '' ) overdrive Automatic converter to create a direct connection! Run over on the brake pedal interrupts the 12-volt power and unlocks the converter at highway speeds the of... Buy a 700R4 and 4L60 are the main advantage and disadvantage of the T.V the shows! Obviously add significantly to the analog 700R4 is the same transmission may or may not have the.... The system works great the biggest benefit to the overall transmission cost wide support. That ’ s throttle valve ) to control the shift points like the 4L60E that replaced it might.... Near the cooler lines on the brake light switch 4L60 or 4L60E transmission read this to... Add significantly to the American consumer ’ s get into what makes them by. It up a little, but these are the main advantage and disadvantage of 700R4...

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