09-26-2008, 10:19 PM | #1 |
I used to be Dragoneye...
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Screw Vtec -- check this out!
Found this completely by accident while searching around for some info on OHCs....
It's a new OHC variable-lift design developed by Delphi. The file says it'll be ready for production in 2010...and it's almost too easy to guess who they're building this for... (hint: they mention "HCCI"....) 2step_vls.pdf |
09-26-2008, 10:26 PM | #3 |
Drives: 2016 Camaro 1LT M6 Join Date: Aug 2008
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Looks pretty cool.
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09-26-2008, 10:26 PM | #4 |
General Motors Aficionado
Drives: 2023 GMC Canyon, 2020 Colorado Join Date: Aug 2008
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Delphi's still designing stuff?
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09-26-2008, 11:33 PM | #6 |
I used to be Dragoneye...
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As far as I know, Delphi (which spun off of GM some years ago) makes some of the stuff GM uses in their vehicles. And up until now, I don't think GM has any sort of variable lift technology. They've got cam phasing...but that's a timing adjustment.
Then the article mentions this thing's ability to work with HCCI...GM's the only company that's really looking into HCCI engines. The German's might be, too....but I don't think they buy from Delphi. Overall...I thought this was a very interesting feature we may see on GM engines soon. |
09-26-2008, 11:35 PM | #7 |
Not That sad..considering
Drives: Man Join Date: Aug 2007
Location: the part of washington the capital forgot about.
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hmm, so for DOHC engines, so unless the ls architecture gets the boot, this will only be available on v6's and the various inline engines and north star engines (which i think are already on the chopping block) which are offered
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09-27-2008, 12:36 AM | #8 | |
I used to be Dragoneye...
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Could this possibly be the first use of this design?
GM Media Quote:
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09-27-2008, 10:34 AM | #9 |
Blessed
Drives: 2013 Sonic RS MT Join Date: Dec 2007
Location: Saint Augustine FL
Posts: 28,444
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Nice find Dragon!
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09-27-2008, 10:52 AM | #10 | ||
Truth Enforcer
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good find Dragon.
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09-27-2008, 12:20 PM | #11 |
Drives: 95 civic Join Date: Apr 2008
Location: Chicago Illinois
Posts: 5,796
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ummm what is it? does it improve hp numbers?
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09-27-2008, 12:22 PM | #12 |
General Motors Aficionado
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Yeah, but they were already in trouble when my dad retired from them in 2006...and since their incompetent management just keeps digging deeper holes...
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09-27-2008, 01:35 PM | #13 |
Moderator.ca
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Basically its another piece of tech along with things like AFM and DI that gives you better fuel economy when you are just cruising around, and power when you want it. I think.
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