Complex sentence: The 1974 Mach 1s outsold the previous four years with the V6 in the light for its size II. Next year the 302 was brought back into the Mustang, giving a much needed performance boost.
Split into simpler sentences: The 1974 Mach 1s outsold the previous four years with the V6 in the light for its size. The next year the 302 was brought back into the Mustang, giving a much needed performance boost.