I believe that is an 8.8 inch Ford conventional ( non limited slip ) differential with 4.11 gearing - Helpfull
13% off of 150= 13% discount applied to 150= 150 - (13% * 150)= 150 - (0.13 * 150)= 150 - 19.5= 130.50
11.5385
150 times 13 is equal to 1950.
Chain Reaction - 1980 1980-02-13 was released on: USA: 13 February 1980
Chain Reaction - 1980 1980-05-13 was released on: USA: 13 May 1980
Chain Reaction - 1980 1980-06-13 was released on: USA: 13 June 1980
The John Davidson Show - 1980 1980-10-13 was released on: USA: 13 October 1980
13% of 150 is 19.5 so 150 plus 19.5 equals 169.5
13 March 1980 was a Thursday.
September 13 1980 was a Saturday.
11.5385
39/150 = 13/50