a833 numbers?

This is the way it decodes.
L= Dart
P=dart GT
27=2 door convertible
F=318
9=1969
B= dodge main.hamtramck MI
256987=the 156987 car built at that plant

PP= New process
833= 4 speed tranny
2715=jan 02 1970 thursday
0352=the 352 tranny built that day at that plant
This is a origanal tranny from that dart,as the serial number is stamped into the stamping pad.

Mrmopartech

Cerwin,email me your number,Mrmopartech