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. It was this information that was used to change its name to 4L60; therefore, a 700R4 and 4L60 are the same transmission.

What is the difference between a 700R4 and 4L60?

You can’t tell the difference between a 700R4 and a 4L60E by the oil pan as they are nearly the same. 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.

Can you use a 700R4 instead of a 4L60E? No 700R4 transmissions were ever controlled by the ecm. The lockup function is grounded with the ecm, but not the shift points like the 4L60E that replaced it. Any 700R4 will work in any application.

When did GM switch from 700R4 to 4L60E?

GM renamed the 700R4 to 4L60 (4-speed Longitudinal 6,000 lb GVWR) in 1990, even though it was the same transmission without any significant changes.

Can you run a 700R4 without a computer?

There are no TV cable, mechanical speedometer drive, or governor provisions. … To run a 700-R4 trans behind a carbureted engine without a computer, at the very least the TV cable must be hooked up to the carburetor and properly adjusted.

What year is the best 700R4 transmission?

If you locate more than one of these transmissions, it is best to select the later model TH700R4. Design improvements were constantly added throughout the years it was offered. Generally, 1987 and up TH700R4s or 1990-’93 4L60 units are the most desirable.

What years did Chevy use the 700R4 transmission?

GearRatio
R2.29:1

How much HP can a stock 700R4 handle?

The Street/Strip 700R4 is good for about 550 hp maximum, but with the HD input drum it is good for about 625 hp max. Add another $240.00 for the input drum.

How much HP can a 4L60E transmission handle?

So, to keep things cooler they run a deep pan with a filter extension. The heavy-gauge cast-aluminum pan allows for an additional two quarts of transmission fluid, which enhances cooling under extreme conditions. 22. See, that’s all it takes to build a 4L60E trans that’s rated to handle over 1,000 horsepower.

What year did they stop making 700R4 transmission?

700R44L65E
Year Range1982 to Early 19932001 to Present
Case Style1-Piece2-Piece
Pan StyleShallowDeep
OEM Planets4-Pinion5-Pinion

Will a 700R4 bolt up to a 350?

Yes, they bolt right in. Better if your th350 is a longtail (truck) tranny. That way you wont need another driveshaft.

Does a 700R4 have a lockup converter?

The GM 700-R4 & 200-4R transmissions utilize a lock up converter to help create a more efficient transmission. It takes stress off the fluid coupling of the torque converter and it helps decrease the amount of heat being generated at higher cruising speeds.

Which is better 200r4 or 700R4?

There is also the longer nature of the 700R4 which requires certain modifications in order to cross member and driveshaft. Conversely, the 200-4R can be made to be stronger than the 700R4. It is, however, worthy to note that the 200-4R is popularly known as the weaker of the 200-4R/700R4 pair.

How long does a 700R4 transmission last?

However, if a rebuilt unit is paid more attention and care in terms of small, regular maintenance jobs, this ‘like new’ unit could conceivably last as long as any new unit – around 150,000 to 200,000 miles on average.

Is a 700R4 good for drag racing?

Racing with a stock 700R4 while in overdrive risks the integrity of the O/D band and limits your performance in a drag race, and can ruin the transmission. But a custom built 700R4 is made of sterner stuff, and reduces the lag time introduced by sloppy and sluggish shifts.

Is a 700R4 good for towing?

when towing, a properly built 700R4 will last. Building a small, high rpm engine with the perfect bore, stroke and rod ratio is very impressive.