hi, i just bought a 1993 f350 7.3 non turbo 4x4 with 217000 kilometers. awsome truck but cant get over 140 kph any suggestions. also is there any quirks i outta know about this truck, it's an auto with overdrive.thanks

Upper case Edited Out by FTE

 

You'll get a better response if you post this question in the 7.3 diesel forum. They're the best source for the info you're after.