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.

Why does my Chevy 700R4 not shift into 3rd?

Being a former Chevrolet Technician I can tell you that is a common failure on the early model 700R4. Up until 1993 the trans used a TV cable for throttle input to the trans. In 1993 the trans was redesigned and now has shift solenoids for shift control.

Is the Chevy TH350 transmission a serious transmission?

High performance transmission builders and parts suppliers don’t even recognize this as a serious transmission. More complex to build than a TH350 and far more expensive, especially when built up to handle high hp numbers. Having to run a cumbersome throttle value cable to the carb. linkage.

Is the Chevy 700R4 transmission a good transmission?

Under hard use, the 700R4 will fail quickly. Limited as to what level these can be built up to. High performance transmission builders and parts suppliers don’t even recognize this as a serious transmission. More complex to build than a TH350 and far more expensive, especially when built up to handle high hp numbers.

Is the Turbo 350 transmission a good transmission?

Overall, the Turbo 350 is a dependable transmission that is basic, easy to repair, and not to mention, affordable for just about anyone. It’s common problems aside, it’s become a staple in the performance transmission market and will continue to be in the years to come.

What causes TH350 transmission to hesitate on shifts?

When it came time to find out what the common formalities are with this transmission, both mentioned the “late shift” issue. Occasionally, the TH350 will hesitate on shifts, and this can be caused by a number of things, including; a vacuum line leak, a blown modulator, or the bolts on the hold-down plate not being tightened down securely.

Why does my 700R4 have low transmission fluid?

If so you need to fill it back up and find where the transmission is leaking and fix it. Here is a whole post on low transmission fluid that may help. If your 700r4 is having a problem with harsh vibration going down the road, it’s more than likely loose torque converter bolts, or a driveshaft that needs balancing.

What does it mean when your transmission Cant shift into fourth?

If it can’t shift into fourth anymore, that means that there is a mechanical issue at hand. These things wear out and eventually even a well maintained automatic transmission will fail. We’ll cover them below.