Can you run a 700R4 without a computer?
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.
What is the gear ratio of a 700R4?
700R4 Performance Specs The 700R4 transmission first gear, second gear, third gear, fourth gear, and reverse gear are 3.06, 1.63, 1, 0.7, and 2.9 respectively. Its lower first gear ratio provides excellent performance for low vehicle speeds.
How strong is a 700R4 transmission?
700R4 Performance Specs The 4 indicates that it is a 4-speed transmission. The L denotes that the transmission is longitudinally positioned. The 60 indicates that the transmission is rated for applications up to 6000 lbs gross vehicle weight (GVW).
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 stock stall speed on a 700R4?
The stall speed on this converter will be 1500-1600 RPM and will be fine for up to 600 hp.
How much horsepower 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.
At what speed should a 700R4 shift?
We will say that, when properly adjusted, the First-to-Second shift should occur at 15-20 mph; Second-to-Third shift at 25-30 mph; and Third-to-Fourth shift at 40-45 mph.
How much HP can a 700R4 handle?
Will a 700R4 bolt up to a 350 engine?
Yes, they bolt right in. Better if your th350 is a longtail (truck) tranny. That way you wont need another driveshaft.
Which is better 4L60E or 700R4?
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.
How do I know what stall converter I have?
The only way to know the true stall speed of a converter is with a transbrake however a flash stall can give a rough idea of what it is. From a dead stop, mash the throttle and watch the tach. The tach will jump up to an rpm before the car really starts to move.
What kind of gearing does a 700R4 have?
The gearing that was used was 3.06 for first gear, 1.63 for second, 1 for third gear, and 0.7 for fourth gear, essentially a 30% overdrive. The reverse gear in this transmission is 2.9. The 700R4 case is a single piece constructed of cast aluminum. The transmission is 23.4 inches long and weighs 155 pounds.
How big is the 700R4 overdrive transmission case?
The 700R4 case is a single piece constructed of cast aluminum. The transmission is 23.4 inches long and weighs 155 pounds. The transmission holds a total of approximately 11 quarts of transmission fluid. The 700R4, produced by General Motors/Hydramatic, is considered one of the best overdrive transmissions ever made.
What kind of transmission does a TH350 700R4 have?
The TH350 was a 3 geared transmission without the last overdrive gear. The 700r4 was a big upgrade with an additional gear (Overdrive), the 1st and 2nd gear became longer, and the transmission case itself became a bit longer.
What to do when your 700R4 transmission won’t lock?
When your 700r4 Transmission is slipping or won’t lock, it’s most likely a problem with the converter inside the transmission. However, the first thing you always should to when your transmission is slipping is to replace the transmission fluid and to flush the transmission.
