ENGINE SPECIFICATIONS
Engine 3.5L V6 engine 3.5L V6 EcoBoost engine
Cubic inches 214 214
Fuel
See Octane
recommendations in
the Fuel and Refueling
chapter.
See Octane
recommendations in the
Fuel and Refueling chapter.
Firing order 1–4–2–5–3–6 1–4–2–5–3–6
Spark plug gap
0.049-0.053 inch
(1.25-1.35 mm).
0.0031–0.0038 inch
(.081– .097 mm)
Ignition system Coil on plug Coil on plug
Compression
ratio
10.8:1 10.0:1
Engine Drivebelt Routing
356 Capacities and Specifications
2014 Flex (471)
Owners Guide gf, 2nd Printing, November 2013
USA (fus)