hondadude
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Are the new Earth Dreams engines supposed to be all new or did Honda just add DI, DOHC, and the Atkinson Cycle to the existing L13, L15, R18, and K24? I was under the impression the Earth Dreams engines were clean sheet of paper engines. If they are all new does anyone know the engine codes yet? How about E series.
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JeffX
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hondadude wrote:
Are the new Earth Dreams engines supposed to be all new or did Honda just add DI, DOHC, and the Atkinson Cycle to the existing L13, L15, R18, and K24? I was under the impression the Earth Dreams engines were clean sheet of paper engines. If they are all new does anyone know the engine codes yet? How about E series.
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i have a feeling a lot of the engines will use existing shortblocks, or be closely based upon the existing shortblocks, and the cylinder heads are essentially the "all-new" parts. I have sort of confirmed that with regards to the earth dreams V6 engine (at least one internal source unofficially confirmed it), but there are no official specs detailing the bore and stroke of any of these engines yet.
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CVCC1974
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The N-Box kei-car (first Earth Dreams engine used) uses "S07" series for the engine, and the earlier non ED-engine (Zest, Life) uses "P07" series. So the kei-class ED engine seems to be different in code, I would assume the bigger ED-engine will have new codes, probably S13, S15, S18.... not 100% sure, but "S" may be the letter they would use for the ED-engine.
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DrWhiner
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Do you happen to have a photo from the 'other' side?
http://www.vtec.net/news/news-image?image=1017152/earthdreams-05.jpg
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superchg2
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CVCC1974 wrote:
The N-Box kei-car (first Earth Dreams engine used) uses "S07" series for the engine, and the earlier non ED-engine (Zest, Life) uses "P07" series. So the kei-class ED engine seems to be different in code, I would assume the bigger ED-engine will have new codes, probably S13, S15, S18.... not 100% sure, but "S" may be the letter they would use for the ED-engine.
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Why not just use ED for the designations? (ED07, ED13, ED15, ED18, ED35)
I guess that would just make too much sense. (sigh)
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DrWhiner
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Found one. And I think you can compare the two.
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DrWhiner
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A better pic for K24. this one from CR-V.
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CarPhreakD
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They are heavily modified. I noticed that the engine blocks are similar at least in basic dimensions (almost a given), however even small details like the gusseting, coolant and oiling pathways are different. You will notice the most changes in the cylinder head, FEAD and transmission.
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dohc89
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I think the main thing everyone is missing is that the exhaust is back on the front like earlier Honda engines, and the intake on the back.
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JeffX
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dohc89 wrote:
I think the main thing everyone is missing is that the exhaust is back on the front like earlier Honda engines, and the intake on the back.
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actually I think that was noted back in December when the press release was first issued. I remember noticing it at the technical briefings and then later discussing it somewhere or with somewone - I just can't seem to find it right off the bat. But you are definitely correct that they have appeared to flip the intake/exhaust sides back to Honda's original setup (exhaust manifold on the front side).
I'm still betting that the basica geometry of this 2.4 will be very similar to the current K24.
Last edited by JeffX on 05-08-2012 23:28
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CarPhreakD
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Chrysler did it for their new Tigershark engines for NVH and packaging purposes. It's not a big change to be honest.
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