Is it possable to install an overdrive unit on a 1950 1/2 t. truck with the following spesifications? 1955 235CI engine 3 on the colom Standard gearbox 3 fw, 1 rev. Original shaft Rear End Gears ratio 355:1 If you have any suggestions or pictures from an overdrive that works be kind to tell me. Regards Martinius
Martinus ; It depends on the rear end used ~ the original one with Torque Tube , no . If you convert to a '55 > rear end then yes , you can find an original side loading three speed gearbox from a '55 ? Chevy car as overdrive was an option... it'll bolt right up to your 235's bell housing . If you don't use the governor it'll engauge overdrive in any gear , this means 2nd gear OD will climb hills like nothing , ZOOOOMMMMMMm !
That didn't sound overly helpful to me..... I'd far rather tell him of some nifty bolt up deal . Besides Neil ; I told ya , I worked on an old Chevy truck , once