To order parts we must know the heh or rug tag information the gear ratio year of the car transmission length the first three case and tailhousing casting numbers engine size and number of splines on the output shaft note.
Rug s transmission.
Aftermarket toploaders are still used by many circle track racers including nascar.
The toploader has been designated as a model t 170 or an heh or rug transmission based on the designations ford gave to it through its years of production.
The transmissions were stamped on the front right corner of the main case with the last 6 digits of the vin found on the car.
However a more significant point may be that the rug s transmission code5 was installed on the first 50 135 vin cj mustangs.
This is a list of tag numbers that decode the transmission.
Other manual transmission links.
If the transmission has a 28 tooth 2nd gear it is a 2 32 close ratio transmission.
On the passenger side at the front edge of the maincase there is a small metal tag with a heh or rug number.
68 and later units were coded rug.
Transmission model srod series includes the rug iron case srod aluminum case heh rug 4 speed and iron case rug 3 speed o d rts and t176 units are shown in the following illustration.
These code numbers can be found on a tag riveted to the passenger side of the transmission case just behind the bellhousing mounting surface.
Tremec 3 speed parts list tremec 4 speed parts list click below images to enlarge.
Earlier 1964 67 toploader units were designated by an heh transmission code.