Quote:
Originally posted by Hethj7
In 1990 (1989 for California models) all the Mustangs went to a mass air flow system. Before that the stangs used the speed density system. The mass air flow is generally considered better and easier to tune once you start making modifications to the engine, although plenty of people go fast with speed density too.
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Wrong.......in 89 all mustangs were mass air, 88 cali cars were mass air.
All 5.0s used forged pistons from 86-mid 92. 93 had hyper pistons. Also, rear seat belts changed along with different speedos and so on in 89. In 89 ford also removed the center arm rest, but because people didnt like that idea they were put back in.