just got em cleaned off,..........and it looks like the casting date on my 170 ci 6 cylinder motor is ............. c5 de 6015 H .............. exhaust manifold is c3 de 9430 A intake maniforld is c5 de 6090 A the serial number of my car is 5fo8u 135798, is this probably the original motor for my car?? getting ready to start digging in on this pony,........... i tried to find info on line, but couldnt find much. everyone is more knowledgeable about the v8 models! thanks guys!!
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need help w/engine casting dates! - 
