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)
0.033–0.037 inch
(.84– .94 mm)
Ignition system Coil on plug Coil on plug
Compression
ratio
10.8:1 10.0:1
Engine Drivebelt Routing
366 Capacities and Specifications
2013 Flex (471)
Owners Guide gf, 4th Printing, December 2012
USA (fus)
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