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Old 10-24-2010, 01:01 PM   #71
Cmicasa the Great XvX
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Quote:
Originally Posted by radz28 View Post
Gen V with D.I.?
YUP.. GM has been working on this since late 2007. They did testing on the Escalade's 6.2L, which is not the same as an LS3:

Quote:
The experimental engine is based on GM’s current all-aluminum Gen IV 6.2L V-8 (L92) found in the Escalade, GMC Yukon Denali and Hummer H2. Depending on the application, the powerplant, which sports port fuel injection, variable valve timing (VVT) and dual-cam phasing, is rated between 380-403 hp in stock form.

However, with a little tweaking to accommodate the auto industry’s latest fuel-injection hardware, the prototype V-8 is producing “well north of 450 hp (on gasoline),” says Dave Sczomak, development engineer-GM Powertrain Advanced Engineering.
Running the engine on E85 ethanol allows for even more power to be coaxed from the big V-8, he adds, noting the 85%/15% ethanol/gasoline mix generally carries a race fuel-like 106 octane rating.

Cruising the web of test roads onsite, the Escalade motors along smoothly with a characteristic large-displacement V-8 burble. However, mashing the gas from a standstill produces a wave of power that propels the big truck at a noticeably more rapid pace than the production version.

Along with the substantial increase in horsepower, DIG also contributes to about a 10% increase in low-end torque, Sczomak says. In addition, fuel economy is moderately improved (3-6%), as are cold-start emissions of hydrocarbons.

To accommodate the DIG fueling system, GM redesigned the L92 cylinder heads, rearranging the intake ports to make room for the eight high-pressure injectors that squirt fuel directly into the side of the combustion chamber at 2,250 psi (155 bar).
New dished pistons – similar to a diesel’s – were installed for added clearance of the injectors. They also contribute to a greater compression ratio (11.5:1 vs. 10.5:1), which can be employed because of the high-octane composition of E85 and the knock-reducing cooling effect of introducing fuel directly into the cylinder.
WARDS



DI normally yields about a 15-17% increase in power. Hence the reason why they can use a smaller displacement engine like a 5.5L and get 450HP. The LS3 with DI would be at about 495HP
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Old 10-24-2010, 01:04 PM   #72
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Originally Posted by BlaSSt Off View Post
Or an extra cylinder or two... LOL sorry, I had to. And no I dont think the V6 is a bad car. It is just a joke... and I know some of the V6 people on here cant take a joke so I have to explain myself.




My thoughts exactly, on paper the mustang is only a little faster so I doubt GM will go way out of the way to beat it. I have ran a few 2011 5.0s and have beat them and all I have are long tube headers w/ high flow cats, LMR CAI, and muffler delete so it wont take much for GM to be able to say its faster.
hahaha, thats a good 1, I know some v6 guys get all up in arms about it, I got a v6 because the cost of an ss + insurance is waaay to high for my age, I may just trade it in 2012 for a nice new ss :P.

Ive seen all the magazines rate the two cars, the 5.0L vs SS, and pretty much is a drivers race, some get the camaro faster, others get the 5.0L faster, but hey power bump is always good

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Originally Posted by Cmicasa the Great XvX View Post
And that's with the CamaroSS weighing 200lbs more. Can anyone tell me how much the hood and truck weigh.. and whether a carbon fiber replacement would be worth the change in weight?
I know the Camaro's hood is aluminum, I was a TPT in the plant for the first year of the camaro, and my dad worked in the Body shop and he said they are aluminum as well, so I dont think you'd get much of a weight savings there, but the trunk you may, I don't think its aluminum.

I think the bulk of the camaro's weight is more the frame and underpinnings, all that stuff his heavy steel, the body itself isn't that heavy, its also a bigger car than the mustang, but seriously if they could drop 300 lbs off the camaro they wouldn't even need to up the horsepower.
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Old 10-24-2010, 01:35 PM   #73
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Honestly the power is sufficient, I think making the cars significantly lighter would be more than enough. The thing the camaro loses against the mustang is the power/weight ratio.
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Old 10-24-2010, 01:38 PM   #74
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Originally Posted by BlaSSt Off View Post
If specs on paper dont guarantee anything, then how come GM QUICKLY had the V6 "certified" at 312hp instead of leaving it alone at 304? GM will probably only bump the HP enough so that they can advertise a better 0-60 and 1/4 mile times then the mustang wich wont take much. Specs on paper mean alot to manufacturers.
don't be dense, my response was obviously telling him why he can outrun a car that should out run him, on paper.
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Old 10-24-2010, 02:05 PM   #75
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I'm going to go out on a limb and say
2012 SS -480hp
2012 Z28 600hp
The reason i say this is the new 6.4L hemi puts out 475hp, so i believe chevrolet will out do dodge on that one again since it seems the z28 will be gt500 competition and not srt.
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Old 10-24-2010, 02:19 PM   #76
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Originally Posted by Morepwr View Post
The good thing about this is that it makes both the mustang and camaro better cars. Both companies are going to leapfrog each other improving the cars which really benefits us as the buyer!

These engine respond so well to bolt ons, that pulling out more power is really quite easy to do.
Im no expert but i feel like Ford has rung nearly all of the power out of that 4.9, but if I am wrong I can tell you that it is much simpler to mod a pushrod displacement over technology V8 than a DOHC with touchy sensors everywhere.

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Originally Posted by brAnd7onX View Post
Honestly the power is sufficient, I think making the cars significantly lighter would be more than enough. The thing the camaro loses against the mustang is the power/weight ratio.
^ youve got it! I know it wouldnt happen but i would love to see a carbon fiber roof option kinda like on a BMW. Either way if GM put the camaro on weight watchers it would benefit heavily.
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Old 10-24-2010, 02:30 PM   #77
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Retrofit pleeeease!
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Old 10-24-2010, 02:40 PM   #78
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Keep your HP and give me a 400lb weight savings. Then I'd consider buying this TrailBlazer SS, uh, I mean Camaro.
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Old 10-24-2010, 03:51 PM   #79
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Keep your HP and give me a 400lb weight savings. Then I'd consider buying this TrailBlazer SS, uh, I mean Camaro.
Jenny Craig?
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Old 10-24-2010, 03:51 PM   #80
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Ok f**k that! I would feel ripped off if they increase the hp on the ss

Last edited by radz28; 10-25-2010 at 10:47 AM. Reason: Profanity
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Old 10-24-2010, 04:00 PM   #81
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Ok f**k that! I would feel ripped off if they increase the hp on the ss
didnt you know the Ls3 made more than the L99? Did you intentionally get the L99 to feel ripped off? Just sayin.

Last edited by radz28; 10-25-2010 at 10:48 AM. Reason: quote
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Old 10-24-2010, 04:09 PM   #82
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typical GM.
a day late and a buck short.

why wait until 2012?
this is just giving ford plenty of time to counter as well.

it will be a sad thing if the SS cant stay on top of the GT.
same goes for the upcomming Z28 vs GT500.
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Old 10-24-2010, 04:12 PM   #83
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Maybe they should just offer more diff ratio choices like Mustang... for $375, they sacrifice highway mpg to be quicker off the line (improved 0-60 and 1/4 mile times).
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Old 10-24-2010, 04:12 PM   #84
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Originally Posted by DarthNacho08 View Post
I heard they finally fixed the problem they were having with the flux capacitor, it should be good for another 50 hp

lmao
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