I’ve yet to see a single built 700-R4/4L60/4L60E that can reliably handle the power to go into the 9’s. In 20 seconds you can become part of the worlds largest and oldest community discussing General Motors, Chevrolet and GMC branded pickups, crossovers, and SUVs. If the transmission has a large 18-pin electronic connector above the passenger side pan rail, it’s a 4L60E, as seen here. It is really important to understand that these transmissions sound almost identical. The "E" designation refers to the electronic shift controlled variation found in the 4L60E transmission design. Both the 4L60E and 4L80E are automotive transmissions built by the General Motors Company. But we’re using the 4L60E here, not the power-robbing 4L80E, and adapting the gear ratios to be more efficient for performance is key when optimizing a transmission. Otherwise it won’t know when to shift, when to kick down, how fast the vehicle is going, nothing. The 4L60 designation, while the same for the 4L60 and 4L60E represents the fact the transmissions are four gears, Longitudinally positioned, The engine is capable of supporting a 6,000-lb Gross Vehicle Weight Rating (GVWR). Fourth- 0.70 5. 2007.5-2008 are the exact same regardless if is v6 or v8. If it has a cable connection near the cooler lines on the passenger’s side, that’s a 700R4. He holds a Bachelor in Science in education and a Master of Business Administration with an emphasis in management from Northwest Nazarene University. The input shaft snapped & there was no heavy duty parts at all in that transmission, just a shift kit. GM 700R4 & 4L60. GM 700R4 & 4L60. Moreover, the 4l60 weighs 150lbs without any liquid and has a length of 23.5. The 4L80e is much larger and heavier than the 4L60E. The new name was 4L60. The rear output housing is configured with a six-bolt pattern in late model 4L60E transmissions. The 4L60E is the electronically commanded evolution of the Turbo-Hydramatic 700R4, originally produced in 1982. Link to our Facebook group, https://www.facebook.com/groups/887277178144274/Link to my website, www.thedrivewayengineer.com These transmissions looked almost exactly alike on the outside when the 4L60E was introduced. A 350 is a 3l60, 400 a 3l80, etc. The 4L60 was manufactured by General Motor's Corporation and was available from 1990 to 1992. Third- 1.00 4. If you would like to read more about the evolution of the 4L60E over the years, check this article out:  Are all 4L60E transmissions the same? 4spd (4l60e) Vs 6spd (6l80e) Mileage Difference Facebook; YouTube; Twitter; Sign up for FREE! The 4l80e has a w4L 80 E of 236 lbs, and the 4l60e has the w4L 80 E of 150 lbs. 4 Forward gears Longitudinal mount (rear-wheel drive) 60 Relative torque rating 360 lb ft Electronic valve body. It also sported a lower-than-usual 3.06:1 first gear, popular for off-the-line acceleration as well as off-road torque.There were some initial bugs in the earlier versio… Manufacture date and rear output housings are the key identifiers of the early 4L60 transmission and the 4L60E transmissions not indicating the E designation. Shelton also operates a small automotive maintenance and part-replacement shop. TH400, TH700R4 or 4L60E? GVWR. The GM 4L60E / 4L65E / 4L70E Transmissions. The difference is in the way that their shifts are controlled. This and the fact of lower loss due to the automatic, the T56 & 4.10 should give better gas mileage assuming reasonable driving habits. The 4L60E transmission has proven to be stronger than then original 4L60 and is installed in applications up to 8,600-lb. The 4L60E (and similar 4L65E) is a series of automatic transmissions from General Motors. Thanks for sharing the video link. Thanks!-----Markus C. Freitag São Paulo - BRAZIL Camaro 1975 - V8 350ci, Rochester Quadrajet, TH-350 auto transmission with shift kit, red color. In 1993 the biggest change occurred, and the 4L60 changed to the 4L60-E. The biggest difference between the 4L60 and 4L60E is how they are controlled. For you to know the 4l60e vs 4l65e identification, you need to know the major differences between the 4L60E and 4L65E transmissions. I was considering the fact that the T56 (.5 6th gear) and 4.10s will give about a .48 final whereas the 4l60e with 3.08s will give about a .46 final. 4L60 Designation The 4L60 designation, while the same for the 4L60 and 4L60E represents the fact the transmissions are four gears, Longitudinally positioned, The engine is capable of supporting a 6,000-lb Gross Vehicle Weight Rating (GVWR). Skip Shelton has been writing since 2001, having authored and co-authored numerous articles for "Disclose Journal." There are quite a few things that these transmissions share in common. The transmission was available for both car (RWD) and truck platforms. If you are contemplating using one of these transmissions behind an engine that it was never meant to be behind, check out the, 8L90E Specs, Performance, and Identification, TH400 Transmission Specs, ID, and Common Problems, Chevy Impala: Brake Lights Stuck On → Diagnosis, They have the same bellhousing bolt pattern. It wasn’t until later that the 4L60E began to evolve. While the 4L60E is a standard transmission used in rear wheel vehicles manufactured after 1993, the 4L80E is typically limited to diesel and big block vehicles. 3. Apr 25, 2004 #2. Feb 15 2016, 7:12am. Pan as they are not easily compatible with each other, so you ’ d need adapters for that by! Were all designed to replace the tried-and-true TH350 700-R4/4L60/4L60E that can reliably handle power! Pinless accumulators, 3-4 clutches, sunshell, pump, servos, etc in! 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