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Originally Posted by Ecky
I'd like to, once the Covid stuff dies down. Most events and venues are closed/canceled for the time being.
I'd say my conclusion was opposite! I've seen something like a 33-40% reduction in fuel economy, both in average and peak, compared with the stock engine.
Here's an example:
At 60mph, in 6th gear, my engine turns almost exactly 2000rpm. If I'm rolling down a hill at a constant 60mph, I can shift to neutral, then hold the revs @ 2000rpm, and my fuel economy is only ~65-70mpg.
Meanwhile, with the stock engine, I was able to see maybe 85mpg cruising @ 60mph on level ground. At 50mph, my fuel economy could reach or exceed 100mpg.
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Did you ever get a chance to run the stock engine with the electric drive disabled? You must compare apples to apples. The hybrid drive allows the 3-cylinder to avoid its most inefficient operating points.
I drew my initial conclusion looking at the lifetime mpg figures you posted for both cars, btw.
A hybrid drive with your current setup should allow you to do the similar to the original, but I imagine remapping the ECU to take advantage of the larger engine's different operating characteristics would be a total nightmare, nevermind everything else you'd have to do to make it all work.
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And we wonder why Ford and GM are pulling out of world markets.
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Soon, all that may be available in the U.S. are crossover blobs and oversized trucks. And then if/when the fad dies, they'll be scrambling for a taxpayer funded bailout as masses of vehicles sit unsold...