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Mallett is putting small-block V-8's in them , so any of the Vortecs should work. But I don't think it would be a weekend conversion. GM has said that it designed the Kappa around the Ecotec L-4's.
 

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For the customers it would be interesting to have a choice out 3 engines with different power and torque

- 4 cyl base
- 4 cyl turbo
- V6 (turbo)

A third engine will make new costs of development and GM would not sell a single car more as now because the demand is higher as the production capacity.

If demand would decrease in the later future GM could decide to put a 6 cylinder engine out of the ecotec programm (2.8 L Turbo 230 to 280 hp) as a third choice.

Examples of Opel engines:

2.8L V6 Turbo.........230 hp - 330 Nm (243 lb-ft) betw. 1,800 and 4,500
2.8L V6 Turbo S......250 hp - 350 Nm (258 lb-ft) betw. 1,800 and 4,500
2.8L V6 Turbo OPC..280 hp - 355 Nm (262 lb-ft) betw. 1,800 and 4,500

Or the 3.6L V6 DOHC - 252 hp, 251 lb-ft out of the Aura XR.

But IMO there is no need to do that the next years.
 

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For the customers it would be interesting to have a choice out 3 engines with different power and torque

- 4 cyl base
- 4 cyl turbo
- V6 (turbo)

A third engine will make new costs of development and GM would not sell a single car more as now because the demand is higher as the production capacity.

If demand would decrease in the later future GM could decide to put a 6 cylinder engine out of the ecotec programm (2.8 L Turbo 230 to 280 hp) as a third choice.

Examples of Opel engines:

2.8L V6 Turbo.........230 hp - 330 Nm (243 lb-ft) betw. 1,800 and 4,500
2.8L V6 Turbo S......250 hp - 350 Nm (258 lb-ft) betw. 1,800 and 4,500
2.8L V6 Turbo OPC..280 hp - 355 Nm (262 lb-ft) betw. 1,800 and 4,500

Or the 3.6L V6 DOHC - 252 hp, 251 lb-ft out of the Aura XR.

But IMO there is no need to do that the next years.
I can't imagine them putting a V6 in it. Why put in a 280hp V6 when they could just tweak the 2.0L from 260hp to 280hp or even 300hp :drool:
 

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I can't imagine them putting a V6 in it. Why put in a 280hp V6 when they could just tweak the 2.0L from 260hp to 280hp or even 300hp :drool:
I can see this happening... after the car has been out long enough for aftermarket to play with it. :D :D :D Varooooom :thumbs:
 

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I can't imagine them putting a V6 in it. Why put in a 280hp V6 when they could just tweak the 2.0L from 260hp to 280hp or even 300hp :drool:
It's not only power that counts; 6 cyl have a smoother run then 4 cyl (no vibrations). V6 are a little lower in mileage but many people like them more then 4 cyl.
 

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You won't likely see a v6 in these cars for a few of reasons:

1: Performance: The current v6 engines avail from GM only produce 224-240 hp. These engines are not really designed for performance but for economical power for larger cars (such as the Saturn Aura). From a performance perspective you would be better off with a small block V8 based on the Northstar engines producing ~300 HP.

2: Fuel economy - you can take the fuel economy of a 2.0 Ecotec and use Forced Induction to get it up to the ~300hp range (Like the redline) and still get great gas milage.

3: Practicality - To get one of the current GM v6's in the ~300hp range you would need FI. It would be too complicated from a production standpoint to put FI on a V6. Fitting all that plumbing in the sky/solstice engine compartment with a 60 degree block that takes up as much space as a v8 would be a nightmare. Although for the record, I would love to see them bring back the Turbo v6 from the old Buick Regal...that thing was probly the most impressive stock engine ever built...one of those in a sky would be awesome! :willy:

So, barring a completely new GM v6 engine design (not gonna happen just for the sake of the kappa's) you are stuck with FI 4 bangers or shipping your car off to Mallett. :cheers:
 

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The 3800 (series I was the engine out of the Buick GN and GNX) is a great pushrod V-6 and is still used in a FI version on the Pontiac Grand Prix GT (formerly GTP from 1997-2005. From 97-03 it was the Series II engine w/ a Gen III M90 Eaton Roots style blower while 2004+ had the Series III 3800 that had a Gen V M90 and drive-by-wire throttle body amoung other improvements), Buick Regal GSX, Chevy Monte Carlo SS (with the 3.8L SC option), Pontiac Bonneville SSEI, and Buick LeSabre.

An example of how far you can go with that engine:

(that's what I'm dropping into my Grand Prix this week.)

However the blower configuration there is not applicable to our vehicles. That, very much, is a FWD only application. I think the Aura's VVT V-6 is also set up for a FWD application. Much harder to put a FWD app. engine into a RWD platform. However, GM has the ability and, if they build on the technology that we see in the 2.0 like direct injection, you'll see these new V-6s make even more power.

As far as fuel ecconomy, that beast of an enigne above gets about 30-32 mpg highway. City sucks azz but cruising it's just great! I could definately see a FI V-6 in our cars...if Mallett can fit an LS2 with a Cent. SuperCharger into these cars...
 
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