The 700R4 is one of the best automatic transmissions that was launched by General Motors. It was renamed to the 4L60, and the latter also became a popular transmission name. Today, more enhanced transmissions have been launched, and they can still find their roots to the 700R4.
What’s the difference between a 4L60E and a 700r?
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.
How much power can a 700R4 transmission handle?
I’ve read a stock 700r4 can handle 350 lb-ft of torque. But some were rated higher depending on it’s application. 1989 was not a high horsepower maybe 230 or torque motor if I recall correctly. You could just have that trans freshened up to handle new motor.
What vehicle has a 700r transmission?
The 700R4 was used widely on both truck platforms and rear-wheel drive automotive platforms. a number of the popular trucks it was utilized in were the Chevrolet blazer and suburban and also the Oldsmobile 350 diesel. This transmission was also used in the Chevrolet Camaro, Corvette, Impala, and plenty of others.
How do I identify a 700r transmission?
The easiest way to identify if you have a 700r4 is to raise your car and check the bolts around the transfer case. The 700r4 and the 4L60 transmission uses a bolt pattern of 16 bolts, so if the transmission looks like the picture and you can see 16 bolts, you most likely have a 700r4 or a 4L60 transmission.
What year 700R4 is best?
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.
Can I replace my 700R4 with a 4L60E?
Premium Member. If the 4l60e is a one piece case and not the LS design removable bell housing the transmission are identical. The drive shaft, cross member required will be the same for both transmissions, 700R4 & Early 4L60E. The dipstick you have (Lokar) will work, but will need to be calibrated for full level.
Can you replace a 700R4 with a 4L80E?
No, neither the 4L60E or 4L80E will directly swap in. 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.
Does a 700R4 need a computer?
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. Not just a simple kickdown cable like your TH350 analogue, the TV cable controls line pressure and shift points.
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.
Can you beef up a 700R4 transmission?
By changing some parts in the valvebody, your transmission—in this case a 700-R4—can be “reprogrammed” to have firmer, power-saving shifts. With the TCI Automotive Constant Pressure Valve Body kit you can also fix one big pain with the 700-R4 transmission: the TV cable.
What is the difference between a Turbo 350 and a 700R4?
The 700R4 has an overdrive while the TH350 does not. Overdrives allow for high-speed cruising, which saves fuel while lowering torque.
What years was the 700R4 used?
The General Motors 700R4 transmission was manufactured by Chevrolet in 1981 to run with 1982 model year vehicles. It is a four-speed automatic transmission with overdrive and was introduced as a way to make V8-powered cars and trucks more efficient.
How much is a 700R4 transmission?
700R4 Transmission – $1,595| 5-Year Warranty.
What are the gear ratios in a 700R4 transmission?
GM TH700R4 Automatic Transmission
It features a 30% overdrive, which provided significant improvements in fuel economy over the three speed TH350, whose tallest gear was direct drive (1:1). Also beneficial, the 700R4 has a shorter 1st gear ratio (3.06 as opposed to 2.52).
