1963 - 1970 Corvette: Service News: Heavy Duty Positraction Unit
Subject: Heavy Duty Positraction Unit
Model and Year: 1963 - 1970 Corvette
Source: Chevrolet Service News
Page Number: 21
Date: March 1970, Volume 42, Number 3
A special high performance positraction unit has been provided for heavy duty usage on 1963 - 1970 Corvette models. This unit is available to customers desiring to convert their regular positraction unit into a high performance package.
The parts which convert the unit to the high performance package are: Part Number 3982240 - Positraction Service Part Unit, Part Number 3982239 - Propeller Shaft Pinion Gear Flange Oil Seal Assembly and Part Number 2309473 - Magnetic Filler Plug. These components may be installed according to the procedures as indicated in Section 4 of the appropriate Chassis Overhaul Manual.