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Old 09-07-2007, 08:49 PM
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This also means a more precise amount of fuel is being injected.

Also, maybe there are less thermal issues and better atomization?

Maybe DI will use less fuel on start up.
Old 09-07-2007, 10:34 PM
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All of the above.

W
Old 09-07-2007, 11:53 PM
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Cant wait to see what bolt-ons or FI will do!!!! muwah-hah!
Old 09-08-2007, 11:36 AM
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Would it be easy to do a cam swap on a DI engine?

W
Old 09-11-2007, 01:49 AM
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I've been waiting for this!
Old 09-11-2007, 01:49 PM
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This isn't new technology as diesels have been doing this for quite a while.

As far as the dish pistons, I doubt that they are quite like a diesel's which traditionally have very thick "quench" areas. I think what they are getting at is the fact that these DIG motors have much smaller traditional cumbustion chambers and build more combustion chamber area into the piston.

This is cool, and it's somthing they should have brought to market years ago.
Old 09-11-2007, 10:28 PM
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Just a random thought, do you think the GenV motors will be classified as "LS" series motors, or will they get a new branding? My first thought was "cool, another LSx". But i don't think the DIG components will be compatible with ANY LSx motor, will it?
Old 09-12-2007, 12:01 AM
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Originally Posted by Mystic 98 TA
Just a random thought, do you think the GenV motors will be classified as "LS" series motors, or will they get a new branding? My first thought was "cool, another LSx". But i don't think the DIG components will be compatible with ANY LSx motor, will it?

I assume it will be different.

Almost out of "LS" numbers.
Old 09-12-2007, 12:50 AM
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By the way the 335's are not direct injected.
Old 09-12-2007, 07:50 AM
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Maybe they will call the LX, or LZ, or Lsomethings atleast. They have about 23 letters or less left to choose from if they are sticking with L for the first letter. So who knows maybe they will dig up some old designation to revive...
Old 09-12-2007, 09:24 AM
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That **** is dope man, good to here, very cool!
Old 09-12-2007, 03:47 PM
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I am thinking LR1...T is the 20th letter...S is the 19th...R is the 18th...

W
Old 09-12-2007, 03:48 PM
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If they do LX1 it looks gay when something new comes out.

W
Old 09-12-2007, 03:49 PM
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Or keep the LS series until they are made of Titanium then go LR1 You still have

LS5, LS9, and LS8

W
Old 09-13-2007, 03:26 AM
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Do DI engines still have throttle bodies or something different? Thanks!!!

W
Old 09-13-2007, 10:59 AM
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Yes infinitely variable valve timing and lift such as BMW's Valvetronic allows them to run with no throttle body or throttle plate.

But thats got nothing to do with DI.
Old 09-13-2007, 11:08 AM
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That was not the question...do DI engines lack a TB?

W
Old 09-13-2007, 12:37 PM
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I am wondering: if you have more freedom because you don't have to allow for the placement/angle of the injector in the intake AND you can flow more through the intake because it no longer has to share space with fuel --- Yes. Sounds good to me.
Old 09-13-2007, 07:14 PM
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They do have a throttle body

And the benefit of DI is you can run higher CR and cylinder pressure and temp because of the cooling effect of the fuel being directly injected. So you can run higher compression on worse fuel than you normally would be able to.
Old 09-20-2007, 05:22 PM
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DI engines are just like regular engines (for the most part) except the fuel injector goes directly into the combustion chamber. It's a lot more efficient, more power, less emmisions.

I'm waiting for them to come out with solenoid sp? actuated valves..


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