According to the Ford Garage web site the 1928 and AA's had the same timing cover.
check it out the pictures.
http://www.fordgarage.com/pages/timingcovers.htm
I am new to this forum. I recently acquired a 1929 AA plateform stake bed truck. From what I've read online it is a 82-A Closed Cab with a 88-A/188-A Stake Bed. The truck is in pretty good shape, considering its age and I've fallen in love with it. I've started repairing some of the rust. The...