Quote:
Originally Posted by Old Mechanic
The new 1.0 Ford ecoboost is cast iron. Aluminum absorbs heat 4 times as fast as cast iron, so you may find that there will be a cast iton "comeback" in engines since you would expect the manufacturers to minimise the heat radiated to the atmosphere, expecially with frequent engine off cycling.
regards
mech
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...exactly, especially with more & more vehicles using "idle stop" controls; want the engine to "stay" in 'closed-loop' operation as long as possible instead of having to break 'loop' with each "stop."