How do you tell what year a Powerglide transmission is?

The constants in decoding the trans ID number are the date the transmission was produced.

Pre-67 Example: C213N – (C = Cleveland Powerglide, February 13, Night Shift)
Post-67 Example: P9E03 – (P = TYPE, 9 = year (1969), E = Month, 03 = Day of Month)

Is a PowerGlide Streetable?

They are very streetable. I have several guys with glides and a gear vendor OD unit giving them a 4 speed trans if they split shift them.

How can you tell if a transmission is a Powerglide?

Identifying a Powerglide is a matter of locating the source code on the transmission block and decoding it to find the Powerglide’s year of manufacture. Identify early cast-iron Powerglides by locating the word “Powerglide,” stamped on the passenger side of the transmission.

Where is the source code on a Powerglide?

The cast-aluminum Powerglides have a removable square-pan on the bottom with 14 bolts, and are stamped with a source code instead of “Powerglide.” Locate the source code on the passenger side of the transmission, just above the pan. According to Hemmings Motor News, pre-1967 codes were five or six digits long.

What does the quadrant indicator on a Powerglide mean?

This unit was basically Powerglide without the vacuum modulator, requiring the driver to manually shift gears between Low and High. The quadrant indicator on Torque Drive cars was, Park R N Hi 1st. The driver would start the car in “1st,” then move the lever to “Hi” when desired.

What was the semi automatic version of the Powerglide called?

For the 1968 model year, Chevrolet introduced a semi-automatic version of Powerglide marketed under the name Torque-Drive. This unit was basically Powerglide without the vacuum modulator, requiring the driver to manually shift gears between Low and High. The quadrant indicator on Torque-Drive cars was, Park-R-N-Hi-1st.

Which is the best input shaft for Powerglide?

We recommend the powerglide spline (17) input shafts made from quality steel at power levels under 700 horsepower and 600 ft lbs of torque. The first input shaft design upgrades changed this 17 spline design to the 30 spline count.

What’s the difference between a corvette and a Powerglide?

The major difference between Corvette and non-Corvette for the old cast-iron Powerglides used from 1956 through 1961 is readily noticeable – the transmission tailshaft housing extension is different, and bolted to it is a special cast bracket for transmission attachment to the Corvette’s frame crossmember.

When did Chevrolet stop using the Powerglide transmission?

The Powerglide was Chevrolet’s main automatic transmission from 1950 through the mid-1970s, A mechanically sound transmission, it was used in various General Motors cars.

How do you tell what year a Powerglide transmission is?