#3-cylinder
QOTD: Counting to Three?
It’ll not have escaped anyone’s notice that car manufacturers are well into the second cycle of engine downsizing. We’ve seen this story play out in the past, both in the Malaise Era and then in the ’80s when TURBO graphics were applied to every single flat surface (and probably some curved ones).
Last week, you lot provided some excellent creative answers to our 29 Cylinders Later game (electric cars and rotaries!). Here’s today’s question: is there anything out there you’d like to buy in today’s new car market that has more doors than cylinders?
Piston Slap: Less Slap, More (oil) Control
Pete writes:
Hey Sajeev, I got one for you.
Several engines nowadays are set up to operate on half their cylinders under light-load conditions. Would the design considerations for piston rings vary from those normally used for such cylinders that are only used part-time? The question arises in the context of a 2009 V6 Accord that is currently in the Honda dealer’s shop to have the piston rings replaced at the manufacturer’s expense to cure a continual oil consumption and spark plug fouling problem.
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