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5.0L (1979-1995) MustangTechnical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.
351W roller cam blocks were made from 94-98
All 351's have the "HO" firing pattern
What came first?....the chicken, or the egg?.....JK..r.barn, just wanted to mention that the "HO" firing order IS the 351w firing order since its intro in 1969....even though the pre-94 351w's aren't roller cam engines.