Frequent question: How much power can a 700R4 transmission handle?

Will a 700R4 hold up to a 454?

Yeah a stock 454 won’t kill a stock 700r4 unless you‘re planning on towing with it or hot rodding the 454 some day. Once you upgrade something though you’ll have a hard time with the weak parts like planetary, power band, output shaft. All of those should be upgraded if towing or building the engine are in your future.

How much torque can a 700R4 transmission handle?

The torque that can be handled by a 700R4 transmission varies depending on its production year. Nonetheless, you can expect a max engine torque around 350 lb-ft and a max gearbox torque of 650 lb-ft.

Will a 350 bolt up to a 700R4?

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

Can you run a 700R4 without 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.

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Will a 700R4 replace 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.

Can a 700R4 handle 500 hp?

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.

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 TH400 the same length as a 700R4?

Registered. edit: okay, AA sez the 350 is 21.5″, 700r is 23.375″, 4l60e is 21.875″, and 400 is 24.25″.

Is a 700R4 the same length as a Turbo 350?

Length And Weight

The TH350’s case length is 21 5/8 inches. … The 700R4’s case length is 23 3/8 inches and its overall length is 30 3/8 inches. The TH350 weighs 120 lbs., while the 700R4 weighs 155 lbs.

Which is better 700R4 or 4L60E?

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. The good news is that either way, you win.

What years did Chevy use the 700R4 transmission?

The four-speed Turbo Hydra-Matic 700R4 was introduced for the 1982 model year for use in Chevrolet/GMC vehicles. In 1990, the Turbo Hydra-Matic 700R4 was renamed the 4L60.

700R4 / 4L60 / 4L60E / 4L65E / 4L70E / technical description.

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Gear Ratio
R 2.29:1

What year 700R4 is best?

Generally, 1987 and up TH700R4s or 1990-’93 4L60 units are the most desirable. Before trying to install this transmission in your vehicle, you should thoroughly check the unit and refurbish it, if necessary.

What is the plug on the side of a 700R4?

There is a four plug connector on the side of the 700r4, but it is unusual that all four of the connection get used. Most of the time one of the wires is a ground, another is a sensor feed back for the computer and then the TCC control signal.