Gen 5 Racing Tech Heads, cam, valvetrain, short block discussion

Direct Injection???

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Old May 19, 2007 | 08:40 PM
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Default Direct Injection???

This is a quote from Car and Driver's website:

Shrinking the Camaro will also make it easier to extract the utmost from the Camaro’s muscle. This is a muscle car, after all, and as such, the flagship engine will be the 400-hp LS2 V-8 straight out of the 2007 Corvette. One or two V-6s will also be available for lower-cost models, likely including the new direct-injection 302-hp 3.6-liter from the 2008 Cadillac STS and CTS. All engines will offer a choice of six-speed transmissions of both automatic and manual varieties.

Now the LS2 is still under heavy debate (I think it will be the LS3) but this is big news as far as the v6 goes. The direct injection engines that are recently hitting the market (sky, solstice) have a ton of turbo potential. From my limited understanding of the technology, it is nearly impossible to detonate and gets better fuel economy. Anyone else heard anything about this engine beine a possibility?
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Old May 19, 2007 | 08:58 PM
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its easier to control the fuel spray. which leads to better atomization better fuel ratio control et cetera et cetera, my only concern with it is that you need to run a very high fuel pressure with a direct injection system. Not as high as a diesel engine, but its still high enough to be dangerous

My uncle use to work at Delphi, he was working on the team which developed that direct injection, I remember when he first told me about it. Like 10 years ago, haha man I cant believe how long it takes to R&D things.
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Old May 19, 2007 | 11:30 PM
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As stated in the Facts thread (sticky in this forum):
https://ls1tech.com/forums/gen-5-racing-tech/612178-facts-about-2010-camaro-updated-10-17-2007-a.html

LS2 and LS7 are out of production before Camaro production starts.
So they're wrong about that, but they all assume it because that's what the concept cars have. Ha, silly magazines.

LS3 is a possibility, and so is the L76 (as found in the 2008 Pontiac G8).

The DI 3.6L HFV6 is certainly a possibility and it wouldn't suprize me at all if we got two levels of that engine.. ie... ~250hp base (as it is in the 2008 Malibu, G6, Aura, VUE etc), and ~300hp uplevel (as it is in the 2008 CTS and 2008 STS).
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Old May 20, 2007 | 12:40 PM
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Would not doubt four engines...two 6's...L76 and LS3.

250
300
350
450

W
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Old May 20, 2007 | 11:13 PM
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Originally Posted by WECIV
Would not doubt four engines...two 6's...L76 and LS3.

250
300
350
450

W
Perfect sounding lineup to me!
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