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The SR-4 and T-4 are light duty four speeds. Pictured is an SR-4, but they look almost identical from the outside. These transmission were manufactured by Borg-Warner and they often say Ford on the top cover. The case is aluminum and the casting numbers on the drivers side are 13-32 for the SR-4 and 13-51 for the T-4.

The T-4 and SR-4 use a 1 1/8" 10 spline input shaft when they are used with the I6 and 1" 14 spline input shaft when they are used with the I4.

 

Usage

The SR-4 is a light duty transmission used only in 1980 and 1981 in the 151 and some 258s. The T-4 is also a light duty transmissions used from 1982 until 1986.

 

Transmission 1st 2nd 3rd 4th 5th Rev
SR-4 4.07 2.39 1.49 1.00   3.95
T-4 4.03 2.37 1.50 1.00   3.76

 

Photos

Side view of SR-4

Back view of SR-4

Front view of SR-4


 

 
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