While the 5.3L LS4 V8 was the first car engine to feature Active Fuel Management (cylinder deactivation) technology, it was not Flex Fuel capable and did not have variable valve timing. As mentioned, ...
BarryTsGarage on MSN
Inside the rare Flathead V12 rebuild that brings a 1938 Zephyr back to life
Watch a legendary 1938 Zephyr engine come apart and back together as expert craftsmanship revives the iconic Flathead V12.
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