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Old 12-04-2007, 12:12 PM   #51
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Originally Posted by Justcallme61 View Post
if the v8 with DI and VVT and all that goes into the camaro, does that mean that it could get better mileage than the v6....?
It can, but remember that the biggest factor will probably be the use of cylinder deactivation which is rumored to be a feature in the Camaro. Cylinder deactivation only works when cruising, so mileage is heavily based upon how often the driver accelerates. Fast acceleration in a V8 is going to be more gas-guzzling than a V6 regardless of what features either engine has. In other words, how you drive determines whether you will have good gas mileage or not.
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Old 12-04-2007, 12:25 PM   #52
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It can, but remember that the biggest factor will probably be the use of cylinder deactivation which is rumored to be a feature in the Camaro. Cylinder deactivation only works when cruising, so mileage is heavily based upon how often the driver accelerates. Fast acceleration in a V8 is going to be more gas-guzzling than a V6 regardless of what features either engine has. In other words, how you drive determines whether you will have good gas mileage or not.
I do believe, though...that DI combined with VVT is an even more powerful fuel-saving tool than AFM alone - not to it's discredit. and though this is slightly off-topic, that's what makes the DI V8 so exciting, b/c it will be designed with all three systems!
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Old 12-05-2007, 03:51 AM   #53
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Amen.
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Old 01-08-2008, 09:26 PM   #54
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I'd have to say a 300hp V6 would be a very interesting idea indeed. There's a large V6 following that usually doesn't get much notice due to the marvel that was the LS1...

V6s can be a lot of fun. Fact is, daily driving, you don't need a V8. Of course, I want one same as anyone else...but tossing a Camaro around with a V6 in it (at least with the 3.8L rated at 200hp) is plenty of fun, I can attest to that.

Anyway, a direct injection V6 would be a very cool idea I think. I also think ti would garner quite a large following very very quickly.
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Old 01-08-2008, 10:14 PM   #55
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Nothing compares to the sound of a v8. If they offered a v6 with 350 hp and a v8 with 300 I'd still take the v8.
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Old 01-09-2008, 03:43 AM   #56
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Nothing compares to the sound of a v8. If they offered a v6 with 350 hp and a v8 with 300 I'd still take the v8.
I completely agree with you about the sound, but I would take the power. Imagine pulling up next to a Mustang GT with your 350hp V6 and beating the piss out of it.
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Old 01-09-2008, 04:36 PM   #57
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I completely agree with you about the sound, but I would take the power. Imagine pulling up next to a Mustang GT with your 350hp V6 and beating the piss out of it.
I've read that the 3.6 was designed for displacements of 2.8 to 4.0L and by my calculations that extra 0.4 would bring it to almost the same 340 as the 5.7 Hemi in the Charger R/T (and probably the Challenger R/T) and I bet GM could squeeze out a few more ponies if it didn't need to sound like a Cadi.

I also don't see why a v6 has to sound different than a v8. I can understand that the factory would tune the exhaust note differently on the traditional base v6 because of who they expect to buy them (same goes for the imports). But if they were building a v6 to fight American v8s, I bet they could make it sound like an American v8...
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Old 01-09-2008, 04:50 PM   #58
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My dad was telling me about a friend of his who, back in the 70's or so, took a car that just had a base V6 and then tuned it so that it sounded almost exactly like a big V8, or so I've been told. But there is only so much that GM could do to make it like that from the factory since they also have to deal with emissions and mileage. Plus sound does not equal power so it is possible to get a V6 to sound like a V8, and it is possible to get one to perform like one, but to get both at the same time may prove impossible
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Old 01-09-2008, 08:02 PM   #59
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Well I have a v6 Camaro with an aftermarket exhaust. It sounds pretty good when it's idling but when you punch the gas you can tell it's a v6
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Old 01-09-2008, 10:24 PM   #60
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I also don't see why a v6 has to sound different than a v8. I can understand that the factory would tune the exhaust note differently on the traditional base v6 because of who they expect to buy them (same goes for the imports). But if they were building a v6 to fight American v8s, I bet they could make it sound like an American v8...

the sound has a LOT to do with the firing order of they cylinders as well as the separation of the respective firings. for example, is the 3.8 3800 V6, we can take the 360 deg of the crank, and divide it by the number of cylinders, which gives us 60 deg, but the block is a 90 deg v, this difference in the degrees of the pistons results in a very specific sound, and as anyone with a 3800 v6 with a custom exhaust can tell you, we get massive drone at about 1500-2500 RPM, because there is a lot of resonance in the sound at that level

60 deg V6's like the new 3.6l dont have this issue as much, as the firing separation (60 deg) is the same as the angle separation of the pistons (60 deg) however from a sound point of view, 60 deg v6's have too much separation in the firing to have a good note

a V8 on the other has has a firing separation of 45 deg, which allows for very little resonance which would get annoying, and enough overlap of the sound to give a good note

really any multiple of 4 will give a decent exhaust note, w16 engines sound monstrous
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Old 01-10-2008, 12:43 AM   #61
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Saw a dealer tagged Caddy CTS w/ the DI 3.6 today. Man, did she look nice. Realllly want to take one for a spin!
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Old 01-10-2008, 01:15 AM   #62
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Saw my first 08 Caddy in person on Monday. I didn't think it was too impressive from the back, but the front is great. Sides are OK. In my opinion not the best looking car, but still pretty good. The real good stuff is in the driving.
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Old 01-12-2008, 11:42 PM   #63
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I get enough grief as it is with my car. I can only imagine what people would say when you proudly proclaimed that you had a v6 camaro. The whole point of a muscle car is the V8. Well unless your 18 years old and a v8 is too hazardus to your health. I probebly would have killed myself it I had started with a V8. If your are an enthusiest get the v8.
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Old 01-18-2008, 03:47 PM   #64
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I ] it will be designed with all three systems!
Is this dead-certain or just speculative?
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Old 01-18-2008, 04:22 PM   #65
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the sound has a LOT to do with the firing order of they cylinders as well as the separation of the respective firings. for example, is the 3.8 3800 V6, we can take the 360 deg of the crank, and divide it by the number of cylinders, which gives us 60 deg, but the block is a 90 deg v, this difference in the degrees of the pistons results in a very specific sound, and as anyone with a 3800 v6 with a custom exhaust can tell you, we get massive drone at about 1500-2500 RPM, because there is a lot of resonance in the sound at that level

60 deg V6's like the new 3.6l dont have this issue as much, as the firing separation (60 deg) is the same as the angle separation of the pistons (60 deg) however from a sound point of view, 60 deg v6's have too much separation in the firing to have a good note

a V8 on the other has has a firing separation of 45 deg, which allows for very little resonance which would get annoying, and enough overlap of the sound to give a good note

really any multiple of 4 will give a decent exhaust note, w16 engines sound monstrous

I think you are mistaken in several ways:

The 90 degree V6s only sound weird if they have straight rod journals, a split journal allows an even firing order.

4 is a multiple of 4 but I've never heard any non-ricer complement the exhaust note of a 4 banger.

10 is not a multiple of 4, but I think the Viper sounds pretty good.

Here are a couple thoughts I just had on the issue:

Cylinder size: You rarely see a 4 or 6 that displaces more than 0.5 liter per cylinder, but V8s tend to start around .6 and work up towards 1 liter per cylinder. The bigger V8s tend to be the ones that have the better sound.

Cam timing: Most muscle cars with V6s get the same cam that the engine gets when it is installed in a family sedan or station wagon whereas the V8 car would generally get a slightly more aggressive cam from the factory. I know that a cam will sure change a V8’s exhaust note.
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Old 01-18-2008, 04:23 PM   #66
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Is this dead-certain or just speculative?
Specualtion, and I for one think that DI (with it's lean burn mode) will replace DOD/AFM.
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Old 01-18-2008, 10:22 PM   #67
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NOT speculation. I stated that about the prototype Gen V engine Wards did an article on. I think I called it the "DI V8"...

check here, this powerplant has everything!
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Old 01-18-2008, 11:24 PM   #68
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Specualtion, and I for one think that DI (with it's lean burn mode) will replace DOD/AFM.
Why does it need to? The two can work in conjunction with each other as far as I know.
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Old 01-19-2008, 04:44 PM   #69
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NOT speculation. I stated that about the prototype Gen V engine Wards did an article on. I think I called it the "DI V8"...

check here, this powerplant has everything!
That is hand-made technology demonstrator not a prototype. It is also E85 only, and I don't think either feature will make it to the Gen V small block.
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Old 01-19-2008, 04:57 PM   #70
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Why does it need to? The two can work in conjunction with each other as far as I know.
They could, but would they?

AFM and DI's lean burn mode are each only effective only under light loads as they reduce power. From what I've read the GPs won't go into 4 cyl mode over about 70 on the freeway. So when would you use both, cruising at 40?

They both fill the same roll, but DI adds power and (as implemented in the L76) AFM sucks power.

I think we are more likely to see mild hybrid stuff (shutting of at stoplights) than we are to see AFM.
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Old 01-23-2008, 04:22 AM   #71
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Hi guys, first post on this site.

In regards to speculating which v6/v6s we'll see, I have a feeling the base model will use the 3.5l lz4. I don't see how they would be able to hit a base price of $19k-$22k with any other v6 in their lineup (unless we get the 3800 again).

With that engine, the power will be in the same neighborhood as the base mustang and the fuel economy would probably be decent (plus being able to use e85). If they want to edge out the mustang, they could concievably go with the 3.9l lz8.

Assuming that there will be two different flavors in V8 I'm not really sure I see a way for another v6 to fit in. The newer 3.6l engine thats in the CTS isn't a cheap engine. The 08 Malibu with the 3.6l starts in the mid 20s.

Thoughts?
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Old 01-23-2008, 08:23 AM   #72
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Welcome to the site

As far as engines go, the 3800 is dead, just like the LS2. but everything else sounds reasonable
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Old 01-23-2008, 09:07 AM   #73
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Im shooting for the v8 as well. Nothing like the sound of a v8 rumble
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Old 08-02-2008, 02:45 AM   #74
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I'll have to go with the DI 300HP V6. If I had the money I would upgrade to an SS, but being a college student with a lot of bills and high gas prices I have to go with the V6 and some mods.
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Old 08-03-2008, 12:15 PM   #75
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I'm going to shoot for a V8, and land on an RS V6. Then maybe later I can buy a Camaro and create a race car out of it!
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