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Originally Posted by Anatoly Kishinevski
I am a Russian
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Oh, really? I could never have figured it out
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This thread is about a modifying a car engine to half of it's original displaced volume with the goal of increasing fuel efficiency drastically while maintaining driveability of the car (safely).
I have been planning the conversion of a 4 cylinder car to a 2 cylinder car for about 2 years. I recently acquired a rust free 2000 Nissan Altima with a 5spd transmission and 2.4L KA24 engine. This car is going to be the machine to which this modification and test is done. The engine is favorable because it has a very long stroke to bore ratio.
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I've already considered to convert 4-cyl cars to 2-cyl, but I'd rather resort to a motorcycle engine. You know, some custom/cruiser motorcycles are set to RPM bands more comparable to car engines than to other motorcycles, so they could be suitable to your project, and at least for me it sounds more advantageous. Fewer dead weight, a more compact engine, and most likely to also decrease internal frictions and inertia too. BTW when my dad had a Subaru I've already considered to replace its flat-4 with a Harley-Davidson Twin-Cam.