How can I tell if I have a 700R4 transmission?

However, there are some ways to determine if you have a 200-4r, 700r4, TH350 or a 4L60 transmission. The easiest way to identify if you have a 700r4 is to raise your car and check the bolts around the transfer case.

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.

Is the 700R4 transmission the same as the TH350?

The 700R4’s drive shaft yoke is identical to the TH350’s, so your old yoke should work nicely with the new transmission. The 700R4 was produced after all of GM’s engines went to the “corporate” Chevy pattern, which means that the transmission has a standard small-block Chevy bolt pattern.

Can a 700R4 be swapped for a 350?

B&M and TCI both sell 700R4 upgrade kits capable of handling over 450 foot-pounds of torque. If your original TH350 came with a 6-inch tail shaft, you’ll have to cut the drive shaft by 3 inches. If your old transmission had a 9-inch tail shaft, then the drive shaft should fit.

What is the TBI code on a 1990 Chevy truck?

Consult a service manual or see below for any check engine light code definitions. You can use a late 80’s or early 90’s GM TBI definition. If you have access to a scan tool use a hook up for a 1990 350 cu. in. 5.7L Chevrolet truck. For some scan tools enter VIN 10th“L” 3rd“C” 8th“K”.

How to fix a 1990 Chevy 5.7L TBI fuel problem?

It ran long enough to drive up on the trailer while under its own power and it also drove off the trailer on its own power (not that same day I brought home) but you did have to keep foot on throttle otherwise it would stall out and not start again until the next day. 1. New Fuel pump 2. New Fuel filter 3. New Fuel pump relay 4.

How to troubleshoot your TBI fuel injection system?

Troubleshooting your TBI Fuel Injection System Most of the problems encountered while installing your fuel injection system or after a time of operation are very simple. If your check engine light is on you more than likely have a hard fault meaning something is grounded out, unplugged, operating out of range or has gone bad. See

Can you change the throttle body on a 350 TBI?

Modify the throttle body. This one pretty cheap but does require removing the throttle body. UTIMATE MODS . Stock 42mm TBI units flow around 450cfm which if you look at http://www.carburetion.com/calc.asp a stock 350 even with a cam upgrade to increase the powerband to 5500 rpms isn’t going to use much if any more than that stock throttle body.

What’s the gear ratio for an El Camino 700R4?

I did the formula for a 700r4 with a 4.11 gears and it will run 2600 at 70mph. I will find the formula and post it. Try this one on for size. Best I’ve found yet. I’m considering a 700r4 with a 3.23 rear end gear ratio in my ’78 standard El Camino with 350v8, 4bbl.

What’s the difference between a 700R4 and a TH350?

The 700r4 and the 200-R4 transmission replaced the TH350 transmission at that year. 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’s the difference between a 700R4 and a 4L60?

Well, the 700r4 uses a TV cable as the speedometer, and the 4L60 is an electronically controlled transmission, so if you see wires coming to the transmission on the rear of the transmission on the passenger side, you have a 4L60. The safest way of checking your transmission is to look at the identification tag on the transmission.

What happens if I put the 700R4 in the wrong car?

Because the 700R4 comes in everything from the S-10 pickup to the much larger Suburban. If you get the wrong 700R4 in your car or truck, the transmission won’t work correctly or last vary long. The calibrations are different for each type car or truck.

Is it better to get the 700R4 transmission back?

When you have your 700R4 transmission rebuilt it’s always better to get your original transmission back. Because the 700R4 comes in everything from the S-10 pickup to the much larger Suburban. If you get the wrong 700R4 in your car or truck, the transmission won’t work correctly or last vary long.

What’s the difference between the 700R4 and 4L60-E?

The key distinction of the 700R4 / 4L60 / Early 4L60-E (from the Later 4L60-E) is the four bolt rear output or tailhousing / adapter pattern. The Later 4L60-E has a six bolt “hex” rear bolt pattern and a removable bellhousing. There are three main castings of the 700R case.