Are 700r4 Transmissions Any Good?

How long does a 700r4 transmission last?

I’ve seen at least several people on this board say that the original 700r4 lasted over 100,000 miles but the replacement or rebuilt trans were only lasting 20-30,000 miles and therefore the 700r4 must be junk..

Can you run a 700r4 without a TV cable?

If the transmission is in park you can run the engine without worrying about the TV connection.

What speed should 700r4 shift at?

light throttle shifts (depending on what you would call light throttle) should be roughly 15-20 for the 1-2, 25-30 for the 2-3, and 35-45 for the 3-4shift.

How much does a 700r4 transmission cost?

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What year is the best 700r4 transmission?

The best cores for a 700R4 build were from 1987-92 they had all the factory upgrades that solved the lubrication issues that plagued the ’86 and earlier units.

Is a 700r4 better than a th400?

The TH400 is much stronger, but it doesn’t have overdrive and the first gear is only 2.48:1. The 700R4 has an overdrive gear (0.7:1), and a 3.06:1 first gear, but it’s not as strong. So it depends on what your using it for and how much power you have.

What’s the difference between a 700r4 and a 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.

How do I make my 700r4 shift harder?

By drilling out a few holes in the spacer plate, installing a larger servo (553) and a larger boost valve, the transmission will shift quicker & firmer. Getting a 553 servo should be easy as many V8 folks remove them to upgrade to the 093 (Vette) servo (offer ten bucks for one).

How can you tell if a 700r4 is good?

Find one that has the dipstick in place and look for signs of leaks. The vehicle from which the tranny is being pulled should give a clue to its reliability. Ask for at least a partial refund if the tranny is found to be bad. If you find at least a 85+ tranny it’s a good core to rebuild.

What causes a 700r4 to slip?

What causes slippage? Low fluid levels – The most common cause for slipping is low fluid levels. Low fluid levels can create a number of problems, such as overheating and not enough hydraulic pressure being produced to engage gears. Bands are what links the gears in the automatic transmission together.

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.

Is a 700r4 good for drag racing?

Ditto…the 700R4 is not the most ideal trans for drag racing but it will hold up to plenty of abuse if built right.

Can you run a 700r4 without lockup?

Re: Can i run 700r4 without lockup? It will work, but the transmission will run hotter and it will shorten the life of the fluid or the transmission.

Is a 700r4 better than a th350?

While a vehicle with 4.11 gearing may scream down the highway with a a TH350, it’s going to keep the engine in the power band longer. The 700R4 goes from a 3.06 -> 1.62 1-2 shift, which is way more aggressive than the Turbo 350’s 2.74 -> 1.57. Simply put, the TH350 is going to keep the vehicle in the power band longer.

How much HP can a 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. I give a one year warranty with all my transmissions & torque converters.