On the passenger side at the front edge of the maincase there is a small metal tag with a heh or rug number.
Rug av transmission.
The toploader 4 speed was coded heh and later rug.
1969 rug ag close ratio.
1969 rug e3 wide ratio.
It was to replace the borg warner t 10 4 speed.
These non toploader units carry codes of rug cl rug ca rug cd or rug bp on the tag.
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.
1970 rug aw close ratio.
The rug transmission uses an odd 4 speed shifter mechanism.
1970 rug av wide ratio.
Detail information for ford and mustang 4 speed toploader transmission.
This car version of the transmission was commonly referred to as the rug.
Mustang toploader 4 speed manual transmission rug av1 70 71 302 351 4v mustang 71 boss 351 28 spline wide ratio 24 1 2 long body c8ar 7006 d tail c4zr 7a040 a.
24 1 2 long.
The transmission slip yoke is the same as a c4 ford automatic use a 2 3 8251x spicer slip yoke to match the original 59 f 100 u joint size.
The toploader gets its name from having an access cover on the top of the main case as opposed to the t 10 s side cover entry.
The lower number on the tag is the serial number of the transmission in the order it was tagged it has nothing to do with the serial number of the vehicle the transmission is.
Ups used them is some of the e350 vans they had.
On the tag you should find one of the following codes.
Ford introduced new style toploading 3 and 4 speed transmissions in 1964.
This is a list of tag numbers that decode the transmission.
The transmission would also garner other pseudonyms like.
They are an overdrive.
The toploader s popularity is a credit to its strength with some race car engines turning at almost.
70 71 302 351 4v mustang.
Aftermarket toploaders are still used by many circle track racers including nascar.
In car or out of car look for a small metal tag attached to the transmission.
Wide ratio close ratio.
In addition the speedometer pickup is on the passenger side of the transmission rather than the driver s side as on all conventional four speed units.
71 boss 351.
Ford and mustang 4 speed toploader.
Top loader 4 speed o d rug rts and t 170.