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Just wondering, why did Lexus do away with the 3.0 inline six?

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Old 12-02-12, 01:32 PM   #16
lfrers
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Executives at Toyota/Lexus are asleep at the wheel. I'm sure there are tweaks that can be done to the 2JZGTE engine and along with a lower overall vehicle weight to where they can make a new 2JZGTE Lexus that gets higher MPG numbers then current 2J powered SCs. And.... imagine if they got some mid 400 HP numbers they could market it as a new luxury (LEXUS) Supra. It would fly off the shelf. First production would look like an AC Kitted SC, reworked for weight, with at least six different aggressive looking factory wheel options. Ahhhh..... skeet skeet skeet. I'd buy a new one.
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Old 12-02-12, 01:53 PM   #17
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people forget car companies have to design engines to be OBDx compliant. you cant just build a car witih lots of power and torque. its more complicated than that.
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Old 12-02-12, 02:07 PM   #18
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people forget car companies have to design engines to be OBDx compliant. you cant just build a car witih lots of power and torque. its more complicated than that.
WTF are you talking about? They build plenty of High HP/Tq cars that get good gas mileage and are OBD2.` Why are there always PPL on forums that are so quick to disagree with you just for the sake of disagreeing? Just like a woman! Sheesh.

1. Porsche 911 Carrera. Powered by a 350-horsepower 3.4-liter flat-six engine, the base 911 can sprint to 60 mph in 4.4 seconds and is estimated at 20/28-mpg city/highway. The 911 Carrera S, with 400 horses, is even quicker at 4.1 seconds to 60 mph, but still manages 20/27 mpg.

2. Porsche Boxster. Porsche’s nimble roadster features a 255-horsepower 2.9-liter flat-six engine that can reach 60 mph in 5.4 seconds and achieve 22/32 mpg. The Boxster S with its 315-horsepower 3.4-liter six beats it by a few ticks at 4.7 seconds to 60 mph and boasts 21/30 mpg.

3. Porsche Cayman. This two-seat coupe with its 2.9-liter flat-six engine makes a 5.4-second 0-60 mph run and nets 20/29 mpg. Meanwhile the Cayman S and its 320-horsepower 3.4-liter six can reach 60 mph in 4.8 seconds, with the Cayman R packing 330 horses and hitting 60 mph in 4.6 seconds; both the S and R versions are also rated at 20/29 mpg.

4. Lotus Evora. The seductively styled Evora comes powered by a Lotus-tuned version of Toyota’s familiar 3.5-liter V6 powerplant; here it generates 276 horsepower, which is good for a 0-60 mph time of 5.0 seconds and delivers 20/28 mpg. The Evora S is turbocharged to reach 60 mph in 4.5 seconds with 19/28 mpg.

5. Hyundai Genesis Coupe. Receiving a power boost with an early 2013 update, V6-powered versions pack a spirited 348-horsepower 3.8-liter engine and can sprint from 0-60 mph in around 5.2 seconds while getting 18/28 mpg.

6. Nissan 370Z. Available either as a two-seat coupe or convertible, Nissan’s “Z” delivers dynamic performance at reasonable prices. A 332-horsepower V6 engine enables the car to reach 60 mph in 5.2 seconds with a rated 19/26 mpg.

7. Audi TT. Offered as a curvy all-wheel-drive coupe or convertible, the base TT with its 211-horsepower 2.0-liter turbocharged four-cylinder engine can sprint to 60 mph in a lively 5.3 seconds and get an estimated 23/31 mpg.

8. Mercedes-Benz SLK350. Choose the 3.5-liter V6-equipped version of Mercedes’ smallest roadster for the best balance of speed and efficiency. The SLK350 can reach 60 mph in 5.5 seconds with fuel economy pegged at 20/28 mpg.

9. Ford Mustang. That’s right, the original “pony car” makes our fast-and-frugal list – at least in its base V6-powered renditions – with an estimated 5.8-second leap to 60 mph and a respectable 19/31 mpg.

10. Infiniti G37. A more luxurious version of Nissan’s 370Z that’s fitted with a smallish back seat and added amenities, the G37 isn’t as quick, though it can still reach 60 mph in 5.8 seconds and garner 19/27 mpg.
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Old 12-02-12, 02:15 PM   #19
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Originally Posted by lfrers View Post
WTF are you talking about? They build plenty of High HP/Tq cars that get good gas mileage and are OBD2.` Why are there always PPL on forums that are so quick to disagree with you just for the sake of disagreeing? Just like a woman! Sheesh.

1. Porsche 911 Carrera. Powered by a 350-horsepower 3.4-liter flat-six engine, the base 911 can sprint to 60 mph in 4.4 seconds and is estimated at 20/28-mpg city/highway. The 911 Carrera S, with 400 horses, is even quicker at 4.1 seconds to 60 mph, but still manages 20/27 mpg.

2. Porsche Boxster. Porsche’s nimble roadster features a 255-horsepower 2.9-liter flat-six engine that can reach 60 mph in 5.4 seconds and achieve 22/32 mpg. The Boxster S with its 315-horsepower 3.4-liter six beats it by a few ticks at 4.7 seconds to 60 mph and boasts 21/30 mpg.

3. Porsche Cayman. This two-seat coupe with its 2.9-liter flat-six engine makes a 5.4-second 0-60 mph run and nets 20/29 mpg. Meanwhile the Cayman S and its 320-horsepower 3.4-liter six can reach 60 mph in 4.8 seconds, with the Cayman R packing 330 horses and hitting 60 mph in 4.6 seconds; both the S and R versions are also rated at 20/29 mpg.

4. Lotus Evora. The seductively styled Evora comes powered by a Lotus-tuned version of Toyota’s familiar 3.5-liter V6 powerplant; here it generates 276 horsepower, which is good for a 0-60 mph time of 5.0 seconds and delivers 20/28 mpg. The Evora S is turbocharged to reach 60 mph in 4.5 seconds with 19/28 mpg.

5. Hyundai Genesis Coupe. Receiving a power boost with an early 2013 update, V6-powered versions pack a spirited 348-horsepower 3.8-liter engine and can sprint from 0-60 mph in around 5.2 seconds while getting 18/28 mpg.

6. Nissan 370Z. Available either as a two-seat coupe or convertible, Nissan’s “Z” delivers dynamic performance at reasonable prices. A 332-horsepower V6 engine enables the car to reach 60 mph in 5.2 seconds with a rated 19/26 mpg.

7. Audi TT. Offered as a curvy all-wheel-drive coupe or convertible, the base TT with its 211-horsepower 2.0-liter turbocharged four-cylinder engine can sprint to 60 mph in a lively 5.3 seconds and get an estimated 23/31 mpg.

8. Mercedes-Benz SLK350. Choose the 3.5-liter V6-equipped version of Mercedes’ smallest roadster for the best balance of speed and efficiency. The SLK350 can reach 60 mph in 5.5 seconds with fuel economy pegged at 20/28 mpg.

9. Ford Mustang. That’s right, the original “pony car” makes our fast-and-frugal list – at least in its base V6-powered renditions – with an estimated 5.8-second leap to 60 mph and a respectable 19/31 mpg.

10. Infiniti G37. A more luxurious version of Nissan’s 370Z that’s fitted with a smallish back seat and added amenities, the G37 isn’t as quick, though it can still reach 60 mph in 5.8 seconds and garner 19/27 mpg.
trust me i know, i drive lexus' top teir car for the average consumer if we are talking about speed.

but they are not going to put development of a tuner friendly engine in anything and everything to make some of these car people happy.

and we are going on to OBD3, the cars you listed are all cars that should have performance engines.
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Old 12-02-12, 02:22 PM   #20
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I agree with all the posts regarding mpg and making products more desirable to the consumer (ex. a man or woman who has a very vast knowledge on cars would assume the 4.0L 1UZFE makes more power than the 3.0L 2JZGTE) But to head another route on the topic, hate to jump on the "conspiracy" band wagon but simply if auto manufacturers made cars to last forever, which seems quite feasible given today's technology. Why would you need to buy another or replacement parts from them?
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Old 12-02-12, 05:08 PM   #21
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Originally Posted by ISFPOWER View Post
trust me i know, i drive lexus' top teir car for the average consumer if we are talking about speed.

but they are not going to put development of a tuner friendly engine in anything and everything to make some of these car people happy.

and we are going on to OBD3, the cars you listed are all cars that should have performance engines.
OK I see your point. Im just talking about from a marketing standpoint, Toyota execs have their heads up their arsness. Consider for a moment the the MK4 Supra. Its a legendary JDM Muscle car. Even non-tuners, just average drivers know if you pull up next to one on a red light you'll probably get spanked if you try it. It's not just tuners that would be into it. Look at all the old farts driving Vets, Vipers, and every other off the shelf muscle car. Toyota could make a killing and create another legendary car, but within the Lexus brand and probably have an even better JDM version. I Like the ISF but its not going to be remembered the way the Supra is still is to this day.

If they could afford it...Who here would not buy a factory small / big compound turbo, VVTI, reworked SC thats lighter, got better suspension, 6-7 speed, posi RWD, that's also economical out of boost but when in boost... is a asphalt shredding, posi grabbing, viper killing, panty dropping, BOV wooshing, passengers screaming, faster than a red light camera, motorcycle CHP wont even bother chasing, monster coup? Even if it is just to get groceries in?
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Old 12-02-12, 05:59 PM   #22
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Tell us what you really think bro... Wow.
I understand your point, although Isn't the LS400 a family sedan... whereas the SC300 is a sport coupe? Also the 1UZ-FE was used in the LS400 up until 2000, it was rated for 23 mpg highway 17 mpg city. 2JZ-GE SC's could expect to get 18/23 mpg and a rated 225 hp( although my stock 2jz is probably around 170 hp on a good day) and 1uz Ls400 a rated 250hp( so 200hp on a good day?) LS400 1UZ-FE does 0-60 in 8.5 seconds, sc300 2jz-ge 6.8.... So again the 2jz was put in cars for the decent performance, not fuel economy, yet the family sedan was built for fuel economy and not so much performance...

The GS300 with the 2jz does 0-60 in 9.1 seconds, 17/23 mpg, weight- 4,600, 227 Hp, 210 TQ
The IS300 also 2jz does 0-60 in 7.5 seconds, 16/21 mpg, weight- 3,250, 215 HP, 218 TQ
The SC300 also 2jz does 0-60 in 7.3 seconds, 18/23 mpg, weight 3,500, 225 HP, 210 TQ
The Supra base 2jz does 0-60 in 6.8 seconds, 16/23 mpg, weight 3,200, 220 HP, 210 TQ
The Supra 2jz-gte does 0-60 in 5.0 seconds, 16/22 mpg, weight 3,200, 320 HP, 315 TQ

The 2JZ 1991-2005
The 1UZ 1989-2000
The 3UZ 2000-2006

Think about this, when the 2JZ was being produced and put in these vehicles, The cars were expensive and gas prices were LOW, so the people buying these cars probably had a decent amount money and didn't care about gas prices or fuel efficiency. In 2000 when the 3UZ came out, gas prices were on the rise and now fuel efficiency was a concern. At the same time emission laws were getting harder and now if you wanna build a car thats going to sell it has the have, performance, and fuel economy--hence the 3rd generation UZ motor. Back when the 2JZ was being produced the car needed to look nice and be decently quick.


In my opinion, the 2JZ was a balanced motor with a lot of potential.
Just my 2 cents.
I'm talking about 1uz/3uz vvti 98gs400vs 98sc300 you should see what a Gs400 would do to a 2jzge powered anything in a straight up race . The Gs gets over 25mpg highway in real life and 04 up Ls gets even better then that with an extra 6th overdrive gear
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Old 12-02-12, 07:57 PM   #23
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I agree with all the posts regarding mpg and making products more desirable to the consumer (ex. a man or woman who has a very vast knowledge on cars would assume the 4.0L 1UZFE makes more power than the 3.0L 2JZGTE) But to head another route on the topic, hate to jump on the "conspiracy" band wagon but simply if auto manufacturers made cars to last forever, which seems quite feasible given today's technology. Why would you need to buy another or replacement parts from them?
GM's concept to answer the sustainability problem is their roller skate chassis prototype. You bolt different top sections to it in order to change the type of vehicle you're driving. It's interesting but they made zero mention of how to lengthen or shorten the chassis to go from grandma land barge to small coupe wheelbase let alone how one modifies the "skateboard" for more horsepower. It's all DBW controls too. Again, a concept only for now.
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Old 12-02-12, 08:08 PM   #24
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Everyone already covered emissions and fuel economy. The JZ engines were put into specialty cars and large sedans with long hood lines. The length of the inline six is a key factor. Notice how it never went into anything other than sport coupes, midsize and full size cars? And the IS300 and Verossa, yes. Toyota has moved to V6 engines for packaging and they moved away from iron blocks because they haven't been building performance boosted engines intended for racing for some time now.

Packaging is important when, sadly, the average Lexus buyer doesn't know the difference between an inline six and a V6 and where in Japan people tend not to like manual transmissions-- unless they're enthusiasts, a small subset.

But I bet you anything we'll see a boosted Lexus cruiser soon in addition to their hybrids. It's the way of the industry.

Akio Toyoda loves the MKIV Supra and is having the GT86 designer on the Toyota side design the new one. I'd love to see another inline six given their enthusiasm.
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Last edited by KahnBB6; 12-03-12 at 03:32 AM.. Reason: strained out the fat
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Old 12-02-12, 08:48 PM   #25
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one word

packaging
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Old 12-03-12, 05:14 AM   #26
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one word

packaging
Exactly....a straight six needs a longer engine bay than a V6
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Old 12-03-12, 05:14 AM
 
 
 
 
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