1952-59 Ford T86 F1 3 speed question

My 3 speed ****** case is stamped " T86 F 1 " Does anyone know what the "F1" means in the casting numbers on my ****** case ?thanks,John in CT

 

You might want to grab this there are several others listed at twice the price: http://www.ebay.com/itm/1949-1950-1...anuals_Literature&hash=item2337a108d4&vxp=mtr

 

Thanks Jeff...I bought it.....J in CT
Any idea about the answer to my question about "F1" meaning ?

 

This might help,direct your question to Stuart Anderson on this forum: http://www.network54.com/Forum/260730/ This is an all 100% Ford transmission forum,others members may want to save this link also.

 

Thanks JeffB2....I will post when and if I get the answer to this question...I sent ''VANPELT SAYLES'' an email but they did not know either...I will keep trying....J in CT