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Old 12-06-2006, 05:47 PM   #1
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Default Ward’s Announces 10 Best Engines Winners for 2007

Ward’s Announces 10 Best Engines Winners for 2007

http://wardsauto.com/home/best_engines_winners/

Quote:
DETROIT – Three new powerplants join the list of Ward's 10 Best Engines winners for 2007, the 13th rendition of the annual competition that recognizes automotive powertrain excellence.

Making the cut for the first time:

Ford Motor Co.’s all-new Duratec 35, a 3.5L DOHC V-6 launching as the standard engine in some of Ford’s most critical new models for 2007, the Ford Edge and Lincoln MKX cross/utility vehicles, as well as Lincoln’s MKZ sedan. The powerful and refined new V-6 generates 265 hp and 250 lb.-ft. (339 Nm) of torque.
BMW AG’s thrusty turbocharged variant of its hallowed inline 6-cyl. engine. The new 3L mill combines a sophisticated turbocharger with the company’s first application of direct-injection gasoline fueling for an inline 6-cyl. to produce 300 hp and 300 lb.-ft. (407 Nm) of torque.
DaimlerChrysler AG’s 3L DOHC V-6 turbodiesel, the only ’07-model light-duty diesel engine for sale in the U.S., is available in a trio of Mercedes-Benz models as well as the Jeep Grand Cherokee CRD. The powerful and frugal new diesel V-6 produces torque that far surpasses gasoline engines of similar size while providing 25% better fuel economy.

Equally important, in Mercedes’ E320 Bluetec, the high-tech 3L turbodiesel is coupled with the first phase of new exhaust-aftertreatment technology that soon will make diesels as low-emitting as today’s gasoline engines.

Meanwhile, Nissan Motor Co. Ltd. continues a record-setting string of Ward's 10 Best Engines awards with the 13th consecutive win for its now-legendary VQ-Series DOHC V-6, the only engine to win an award every year since the competition’s inception in 1995.

For 2007, the heavily revised, fourth-generation 3.5L VQ boasts a V-8-challenging 306 hp and 268 lb.-ft. (363 Nm) of torque.

Toyota Motor Corp. scores its second consecutive 10 Best Engines win with its Lexus 3.5L DOHC V-6, a brilliantly refined design that employs a unique, combination direct- and port-injection fueling system that helps generate 306 hp and 277 lb.-ft. (376 Nm) of torque.

Two popularly priced and evocative V-8s return in 2007 for repeat wins. DC scores its fifth consecutive 10 Best Engines win with the ever-popular Hemi 5.7 OHV V-8, this year in 340 hp, 390 lb.-ft. (529 Nm) specification for the Chrysler 300C sedan.

Ford takes its third consecutive Best Engines award with the 4.6L SOHC V-8 powering the Ford Mustang GT. This new-generation version of the classic muscle-car V-8 continues to impress with its evocative exhaust symphony and, in addition to its standard 300-hp Mustang GT guise, a new, high-output variant that uses Ford Racing performance components to increase horsepower to 325.

Finally, a pair of powerful but efficient 4-cyl. engines claims 2007 10 Best Engines awards. Audi AG wins for the second consecutive year with its power-dense 2L turbocharged DOHC I-4 employing the company’s torque- and efficiency-enhancing FSI direct-injection gasoline fueling to produce 200 hp and 207 lb.-ft. (281 Nm) of torque.

And Mazda Motor Corp. returns to the 10 Best Engines list with its second consecutive award for its power-packed 2.3L turbocharged DOHC I-4, an integral part of one of the year’s best performance-car bargains, the Mazdaspeed3.

Developing 263 hp from just 2.3L displacement, the direct-injected Mazda 4-cyl. is one of the most power-dense engines available in the U.S. market.

This year, six Ward's editors nominated 33 different engines for the 10 Best Engines competition. Over a nearly 2-month period, the editors evaluated and scored each engine against all others in a number of objective and subjective parameters.

Each engine must be available in a regular-production, U.S.-specification model on sale no later than the first quarter of 2007 in a vehicle priced no more than $54,000, a price cap indexed to the average cost of a new vehicle.

The awards will be given at a banquet in Detroit during next month’s North American International Auto Show.


Here’s Ward's 10 Best Engines for 2007 at a glance (vehicle tested in parenthesis):


Audi AG 2L turbocharged DOHC I-4 (Audi A3)
BMW AG 3L DOHC I-6 (Z4 3.0si)
BMW AG 3L turbocharged DOHC I-6 (335i)
DaimlerChrysler AG 3L DOHC V-6 turbodiesel (Mercedes-Benz E320 Bluetec/Jeep Grand Cherokee CRD)
DaimlerChrysler AG Hemi 5.7L OHV V-8 (Chrysler 300C)
Ford Motor Co. Duratec 35 3.5L DOHC V-6 (Ford Edge/Lincoln MKX)
Ford Motor Co. 4.6L SOHC V-8 (Mustang GT/Mustang Shelby GT)
Mazda Motor Corp. 2.3L DISI turbocharged DOHC I-4 (Mazdaspeed3)
Nissan Motor Co. Ltd. 3.5L DOHC V-6 (Infiniti G35)
Toyota Motor Corp. 3.5L DOHC V-6 (Lexus IS 350)
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Old 12-06-2006, 05:51 PM   #2
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did subaru not recently win such an accolade for world's best engine??
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Old 12-06-2006, 05:54 PM   #3
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Boxers probably shake too much for these types.
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Old 12-06-2006, 06:08 PM   #4
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Quote:
Originally Posted by jigga
did subaru not recently win such an accolade for world's best engine??
I think for 2006, not 2007
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Old 12-06-2006, 07:17 PM   #5
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I have the A3... the power is joyous.
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Old 12-06-2006, 07:28 PM   #6
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Originally Posted by 02redwagone View Post
Boxers probably shake too much for these types.

Isn't a horizontally opposed engine naturally balanced?
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Old 12-06-2006, 07:36 PM   #7
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No Gm engines at all and the VQ wins again.
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Old 12-06-2006, 09:26 PM   #8
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I think only V12s and Inline 6s are naturally balanced well.
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Old 12-06-2006, 09:35 PM   #9
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Originally Posted by rice h8r View Post
I think only V12s and Inline 6s are naturally balanced well.
Nope.

http://en.wikipedia.org/wiki/Flat_engine
Quote:
Boxer engines of up to eight cylinders have proved highly successful in both automobiles and motorcycles, and continue to be popular for light aircraft engines.

One benefit of using a boxer engine versus a V engine is that the design provides good balance because each piston's momentum is counterbalanced by the corresponding piston movement of the opposite side. These engines can run very smoothly and free of vibrations with a four-stroke cycle, regardless of number of cylinders, and do not require a balance shaft or counterweights on the crankshaft to balance the weight of the reciprocating parts which are required in other engine configurations. But boxer engines tend to produce more noise than inline and V-engines because valve clatter is not so well dampened due to lack of covering by air-filters and other components, and produce a larger torsional vibration than a V engine, and so tend to require a larger flywheel.
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Old 12-06-2006, 09:48 PM   #10
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I am AMAZED to not see a honda engine in there. Not one?!? The K series is the new B. It goes in just about everything they build with a I-4. And the J series V6 has been around since 98. Both very good, very smooth and effecient engines. Also I can't believe the ej didn't make it. That's ludacris.
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Old 12-06-2006, 09:57 PM   #11
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Quote:
Originally Posted by rice h8r View Post
I think only V12s and Inline 6s are naturally balanced well.
I6s and H6s (and multiples of) are both fully internally balanced designs. They have no vibration caused by rotating internals (as long as they are balanced cylinder to cylinder) in the X-Y-Z, or any of the rotational axis. V12s are basically two I6s set at an angle to one another, and use the I6 firing order. Thus they are a multiple of the I6 and are balanced.

H4s are balanced in all axis except for rotation about the Z azis (assuming the engine sits like our Subies). This makes it better than most other orientations when on an even playing field. Balancing shafts are used in many engine designs to offset the unnatural balance of these motors. Unfortunately these shafts add both static and rotational weight to the motors, and of course affect performance.

I have long wished that Subaru would drop H4s in favour of H6s strictly for the balance reason. I believe a 2.5L H6 could be a much better motor than a 2.5L H4. However there are some packaging and weight distrubution issues which are strong arguments for sticking with the H4.
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Old 12-06-2006, 10:01 PM   #12
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Originally Posted by Hazdaz View Post
Wikipedia is wrong. As I stated, only the H6 is vibration free. Horizontal motors (in general) are only vibration free in the linear axis', not rotational.
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Old 12-07-2006, 06:52 AM   #13
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most of these engines are new or designed for 06+
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Old 12-07-2006, 09:22 AM   #14
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Quote:
Originally Posted by EROC263 View Post
I am AMAZED to not see a honda engine in there. Not one?!? The K series is the new B. It goes in just about everything they build with a I-4. And the J series V6 has been around since 98. Both very good, very smooth and effecient engines. Also I can't believe the ej didn't make it. That's ludacris.
I think one was in there last year, or year before. The only things I can really think of is that they may be expensive to manufacture, relative to others similar to it and they are generally peaky engines; They have been improving this, and I think one of thier engines that got in was a hybrid that used the electrical motor to produce the low-end torque to give a broad torque curve.

I'm kinda suprised the 4.6l 3V is still in there; it's nice, but I didn't think exceptional.

Tom
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Old 12-07-2006, 09:27 AM   #15
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Even though the H-engine may be balanced, the H4 shakes on a Subaru because of the cylinder firing order. It fires the passenger side cylinders then fires the driver sides ones.

Think of the order as a big U:
2___1
4___3

Firing order: 1-3-2-4

http://www.doudna.com/Subaru/
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Old 12-07-2006, 05:30 PM   #16
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Quote:
Originally Posted by melayout View Post
Even though the H-engine may be balanced, the H4 shakes on a Subaru because of the cylinder firing order. It fires the passenger side cylinders then fires the driver sides ones.

Think of the order as a big U:
2___1
4___3

Firing order: 1-3-2-4

http://www.doudna.com/Subaru/
Interesting. Any particular reason for that?

But still, even if the firing order is like that, there really should be only vibrations in one plane - parallel with the ground. In the other planes it should be smooth, right?
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Old 12-07-2006, 05:52 PM   #17
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Quote:
Interesting. Any particular reason for that?
Do not know.

Quote:
But still, even if the firing order is like that, there really should be only vibrations in one plane - parallel with the ground. In the other planes it should be smooth, right?
Should be and I think it is. Even if it is parallel with the ground, it is still perpendicular to the centerline of the car and therefore you get the side-to-side shake.
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Old 12-07-2006, 09:37 PM   #18
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When is my direct injection 2.0L going to get here.

The ej doesn't deserve to be on there because it isn't smooth at all, IMO. Ever crawled along in traffic in first gear? Horrendous. The ej makes tons of power, but it isn't an all around great engine.

~~Quentin
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Old 12-07-2006, 10:40 PM   #19
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Quote:
Originally Posted by Hazdaz
Interesting. Any particular reason for that?
here is something I found awhile back that explains why the firing order is that way (also explains the boxer sound).
http://www.doudna.com/Subaru/
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Old 12-07-2006, 10:46 PM   #20
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Quote:
Originally Posted by Master2192 View Post
here is something I found awhile back that explains why the firing order is that way (also explains the boxer sound).
http://www.doudna.com/Subaru/
Hmm, I've seen that somewhere else:

Quote:
Originally Posted by melayout
Think of the order as a big U:
2___1
4___3

Firing order: 1-3-2-4

http://www.doudna.com/Subaru/
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