Gearing?
On your doorjamb sticker under axle code look and see what it says.
19 — 3.55 non-limited slip (Econoline, F-150)
18 — 3.08 non-limited slip (F-150)
17 — 3.31 non-limited slip (Econoline)
H9 — 3.55 limited slip (F-150,F-250)
B6 — 3.73 limited slip (F-150,F-250)
19 — 3.55 non-limited slip (Econoline, F-150)
18 — 3.08 non-limited slip (F-150)
17 — 3.31 non-limited slip (Econoline)
H9 — 3.55 limited slip (F-150,F-250)
B6 — 3.73 limited slip (F-150,F-250)
Last edited by jerrybizzle; Mar 3, 2012 at 11:12 AM.

