Comparison Economy Oil Shelby 
Clean Fleet Report
MARCH 10, 2022
not with a heavy-right foot) they can produce surprising fuel economy. Emission limits and oil crises have forced manufacturers and purchasers to re-evaluate what’s most important. The Mustang has many iterations, but the earliest designs are the pinnacle of classic cars, spawning the Shelby GT and Boss 302.
Green Car Congress
APRIL 29, 2009
V6 engine (the Duratec D35 EcoBoost) delivers up to 12% better fuel economy and 15% lower emissions with comparable torque and power as a 5.4L Achieve fuel-air mixing homogeneity equivalent to its naturally-aspirated (NA) counterpart at part-load conditions to ensure fuel economy targets. port fuel injected (PFI) V8 engine.
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