Section 1 · Pages 2–7 (6 pages)

Specifications

From the 1948–1950 Buick Dynaflow Transmission Shop Manual

Reference data for the Dynaflow transmission. It explains the identification number stamped on the case bottom, the early A and B serial numbers and the later C, D and E production numbers, then lists oil capacities for Series 40-50 and Series 70, the 2.25 to 1 converter stall ratio, pump and band pressures, and tightening torques by thread size. Adjustment and test specifications, assembly checking dimensions and production limits and fits of new parts for the converter, oil pumps, accumulators, valve and servo bodies, clutch, planetary gears and torque ball follow.