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Future Toyota/Lexus Hybrids (Prius 2.0, Camry, Lexus 600h, etc.) - READ ONLY
35 messages, Last post on Jan 23, 2008 at 12:59 PM
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What is this discussion about? Toyota, Lexus, Hybrid Cars, Sedan
#34 of 35 Re: - [larsb] by nwng
Jan 22, 2008 (3:52 pm)
Replying to: larsb (Nov 06, 2007 11:20 am)
If you stick the 2.4 hsd in sienna, you get your estima. minivans w/o v6 don't sell in the US, unfortunately. Looking at the link, it seems the hybrid will improve the mpg by about 25% over the 3.5l. I think they will bring it out if the next gen ody comes with a diesel option.
#35 of 35 What about.... by wwest
Jan 23, 2008 (12:59 pm)
A Sienna hybrid with the I4 but with a Miller Cycle using a positive displacement variable speed Supercharger. Use an E-CVT with a engine drive belt into one end and a permanent magnet AC synchronous motor at the opposite, ~3:1 reduction, end.A variable frequency drive to the AC motor would allow complete, full range, engine throttling without a throttle butterfly valve. No boost would be provided unless extraordinary level of power were asked for.
Note that the 2.3L Twin-turbo engine in the Acura RDX produces 240HP. In comparison a hybrid Miller Cycle 2.3L I4 SC'ed as above (NO Turbo LAG) would only need to produce about 200HP w/full boost in order to match the performance of the RX400h.
A 40MPG Sienna....?
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