LoginHolden reveals new 313kW twin-turbo V6 - The General unleashes a new 313kW twin-turbo V6 that could power Holde
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Post #1
 20th March 2013 - 05:16 PM
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The General unleashes a new 313kW twin-turbo V6 that could power Holden’s Commodore General Motors has announced a new twin-turbocharged version of its 3.6-litre V6 that will be unveiled at the New York motor show next week and could easily slot into the new VF Commodore. The beefy new petrol V6 will make its global debut in Cadillac’s mid-size CTS sedan, in which it will be matched to a new eight-speed automatic transmission, facilitating a top speed of no less than 274km/h. Cadillac also quotes a 0-97km/h (0-60mph) acceleration time of just 4.6 seconds, making the force-fed CTS V6 quicker than BMW’s current M3 (0-100km/h in 4.8 seconds). Power output for the bi-turbo 3.6-litre V6 petrol engine is an impressive 313kW/583Nm -- significantly more than Holden's current horsepower hero, the 6.0-litre V8-powered Commodore SS, which pumps out 270kW/530Nm. If Holden did decide to use the new engine in its upcoming VF Commodore range (due on sale in June), it could garner the same cult status as Ford’s Falcon XR6 Turbo, for which it would be a direct competitor. Holden is yet to reveal powertrain details for the VF Commodore, which is expected to continue with 3.0 and 3.6-litre V6 and 6.0-litre V8 engines, but says it has no short-term strategy to transplant the giant-slaying bi-turbo V6 into its VF line-up, at least from launch. However, GM Holden’s External Communications Director, Craig Cheetham, told motoring.com.au that it would easily slot into the engine bay of a Commodore. “It would be 100 per cent feasible to put it in that car ... because it's effectively the same engine block,” he said. But Cheetham added there are no plans to offer the engine in Australia “at this stage”. Another scenario could see the engine introduced as part of the all-new Commodore line-up that will replace the VF beyond 2016, although the next-generation Commodore is expected to be based on a global front/all-wheel drive platform and powered largely by four-cylinder engines. GM’s new high-output V6 could also technically be built in Australia for local and export markets, but with the future of the Port Melbourne engine plant in doubt the chances of that happening appear slim. The Cadillac engine features a number of internal upgrades to cope with the 12psi of boost pressure the twin turbochargers generate, including new cylinder head and block castings, stronger con-rods and new aluminium pistons. Cadillac's powertrain engineers used a top-mounted intercooler to improve packaging -- not unlike the set-up seen on the 6.2-litre supercharged LSA engine that is seen in the Chevrolet Camaro ZL1 and could power HSV models in the near future. “The LSA engine showed us the efficiencies of mounting the intercooler on top of the engine, especially when it came to packaging and maintaining a short, unobstructed path for the air charge," said Richard Bartlett, Assistant Chief Engineer for the engine. Holden has dabbled with twin-turbo V6 power previously, with the VE Commodore-previewing 2006 Torana TT36 concept car producing a relatively modest 280kW/480Nm. Source: http://www.carsales.com.au/news/2013/large...%E2%80%99-35685 
-------------------- I AM TRACY GRIMSHAW BEHOLD MY AMAZING c**tHOLE OF HOONERY!!!
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clutch-monkey
Post #2
haha that single exhaust port.. must have been easiest turbo conversion ever to bolt up to that |
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crpstra
Post #3
It will never be released in Australia, That will be just another huge mistake Holden will make. |
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clutch-monkey
Post #6
QUOTE (.Tim. @ Mar 21 2013, 12:50 PM)  I like the way they display hot air going directly to intake  "Another unique feature of the Cadillac Twin-Turbo is its efficient manner of processing the pressurized air charge through the cylinder heads and into the combustion chambers. A single, centrally located throttle body atop the engine controls the air charge from both turbochargers after the temperature is reduced in the intercooler. This efficient design fosters more immediate torque response, for a greater feeling of power on demand, and reduces complexity by eliminating the need for a pair of throttle bodies. Using a pair of smaller turbochargers rather than a single, larger turbo also helps ensure immediate performance, because smaller turbochargers spool up – achieve boost-producing turbine speed – quicker to generate horsepower-building air pressure that is fed into the engine. The Cadillac Twin-Turbo’s integrated charge air cooling system also contributes to its immediate response, because the compressors blow through very short pipes up to the intercooler. With no circuitous heat-exchanger tubing, there is essentially no lag with the response of the turbochargers. In fact, airflow routing volume is reduced by 60 percent when compared with a conventional design that features a remotely mounted heat exchanger. “It is a very short path from the turbos to the throttle body,” said Bartlett. “The compressors draw their air directly from the inlet box and send their pressurized air through the intercooler basically immediately, giving the new CTS a tremendous feeling of power on demand.” The charge-cooling heat exchangers lower the air charge temperature by more than 130 degrees F (74 C), packing the combustion chambers with cooler, denser air for greater power. The twin-brick configuration of the heat exchangers is similar in design and function to the 6.2L supercharged “LSA” engine used on the current CTS-V Series. “The LSA engine showed us the efficiencies of mounting the intercooler on top of the engine, especially when it came to packaging and maintaining a short, unobstructed path for the air charge,” said Bartlett. “It’s efficient and effective – and we wanted to build on that experience.” The air cooler system achieves more than 80 percent cooling efficiency with only about 1 psi (7 kPa) flow restriction at peak power, for fast torque production. " |
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eXo
Post #7
QUOTE (clutch-monkey @ Mar 21 2013, 11:27 AM) haha that single exhaust port.. must have been easiest turbo conversion ever to bolt up to that  LOL so true!! Upgrade List: - BoltOn turbo kit - New plastic mould for cover - good marketing team playing with the thesaurus turning average words to flashy ones Result: The religious fans will buy and happily pay the premium if it *ever* got released here. |
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crpstra
Post #10
QUOTE (alpharx7 @ Mar 21 2013, 04:41 PM) took america to do something that should have been offered factory here years ago. won't ever be released here on account of it's not bogan enough, ie doesn't sound like a v8. No because it will threaten their prized v8's power wise. No one will buy a V8 when they can get the same power and the economy off boost of a 6. I am a Holden fan however I know they are slow and I know Holden are far behind the times and to be honest there are far better makes of cars in the world. |
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clutch-monkey
Post #12
QUOTE (truffles @ Mar 21 2013, 07:08 PM) What is this witchcraft? As previously stated, they won't release it here because it just simply makes too much sense. now imagine it in a new torana, not huge barge commodore i can dream |
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DAL32
Post #15
QUOTE (clutch-monkey @ Mar 21 2013, 07:13 PM) now imagine it in a new torana, not huge barge commodore i can dream You know that it will still be an overweight beast right? Just because it's got two doors doesn't mean it won't be yet another lard arsed barge from Holden. They have not taken a small car and added a big engine they took what is still a big RWD chassis and tried to make it look smaller by taking two doors off. Sure it worked fantastically back in the day as all the cars were RWD just whack a big engine in the small car, instant fast car BOOM. Today can't do because the big car is RWD the small car is FWD! The only manufacturers that have done the big engine small car thing in modern times are the Europeans and their small cars still weigh a lot, but a lot less than Holden sedans. |
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clutch-monkey
Post #16
QUOTE (DAL32 @ Mar 21 2013, 09:59 PM) You know that it will still be an overweight beast right? Just because it's got two doors doesn't mean it won't be yet another lard arsed barge from Holden. They have not taken a small car and added a big engine they took what is still a big RWD chassis and tried to make it look smaller by taking two doors off. Sure it worked fantastically back in the day as all the cars were RWD just whack a big engine in the small car, instant fast car BOOM. Today can't do because the big car is RWD the small car is FWD! The only manufacturers that have done the big engine small car thing in modern times are the Europeans and their small cars still weigh a lot, but a lot less than Holden sedans. build it off the alpha platform not quite so barge |
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wolfman101
Post #17
Also, protip Holden-the new M3 is significantly faster to 100 than the factory quoted specs. |
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vk134
Post #18
The intercooler design is quite well done IMO. Australia will more than likely not get this engine, we are treated like a seconds market, same as Toyota do, "Australia when only the cheapest will do" |
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mark1414
Post #19
QUOTE (wolfman101 @ Mar 21 2013, 10:52 PM) Also, protip Holden-the new M3 is significantly faster to 100 than the factory quoted specs. I doubt they were sitting around designing it to go .1 second faster than the m3. I am sure whoever wrote the article would have just looked up what car(s) it is faster than. Would you even notice .1 of a second? The smallest amount driver error would change that. |
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TwinCam16
Post #20
QUOTE (clutch-monkey @ Mar 21 2013, 10:30 PM) build it off the alpha platform not quite so barge People would have to be a smugfag and be full of themselves to buy one if they did that. Not to mention none would be sold as it would look like a bag of dicks and be as reliable as.. say... an Alfa.... |
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wolfman101
Post #21
Mark, no .1 is not noticeable. M3s however are nearly a second faster than the indicated specs, which is. If the Holden claims are accurate (I assume they are "optimistic" judging by past history) then no, this car isn't nearly as competitive as the article suggests. |
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mark1414
Post #22
QUOTE (wolfman101 @ Mar 22 2013, 12:34 PM) Mark, no .1 is not noticeable. M3s however are nearly a second faster than the indicated specs, which is. If the Holden claims are accurate (I assume they are "optimistic" judging by past history) then no, this car isn't nearly as competitive as the article suggests. A whole second faster than quoted sounds very optimistic. I also assume that second faster was timed by people who own the cars and thus are not professional drivers and or driving on a track prepared surface designed for maximum traction... |
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wolfman101
Post #23
On phone, can't be bothered posting links, but have a look around online. IIRC several mags clocked the M3 DCT at 4.1-4.3. |
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clutch-monkey
Post #24
QUOTE (TwinCam16 @ Mar 22 2013, 10:19 AM) People would have to be a smugfag and be full of themselves to buy one if they did that. Not to mention none would be sold as it would look like a bag of dicks and be as reliable as.. say... an Alfa.... lol what? it'd surely be a perfect fit? http://en.wikipedia.org/wiki/GM_Alpha_platform |
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crpstra
Post #25
QUOTE (wolfman101 @ Mar 22 2013, 01:31 PM) On phone, can't be bothered posting links, but have a look around online. IIRC several mags clocked the M3 DCT at 4.1-4.3. A disparity of around .7 seconds (I said ALMOST a second). This is actually very common with RS/M/AMG cars. My car for example is "specced" at 4.8/13.0, but commonly runs 4.3/12.7. This man speaks the truth, Its been happening for years. |
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clutch-monkey
Post #26
QUOTE (crpstra @ Mar 22 2013, 03:32 PM) This man speaks the truth, Its been happening for years. it's conservatively quoted because the car has to achieve the claimed performance all over the world in different conditions and fuel. too many lawyers own BMW's and AMG's for them to risk being .1 over 
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