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Who has the quietest brand?

 
Old 01-09-19, 05:59 PM
  #106  
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V12s will always be smoother
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Old 01-09-19, 06:01 PM
  #107  
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Originally Posted by AJT123 View Post
It is sad they axed the V12 on the Century. Apparently according to road tests it was even smoother than the old 4-4.3L UZ V8s, IDK how that's possible lol but yeah. V12 balance perhaps.
The 1GZ-FE was a 5.0L V12 with 276-280hp due to the Japanese Manufacturers Agreement (Since 1989, Japanese automakers have all endorsed—at least on paper—a kind of gentlemen's agreement that limited their advertised horsepower to 276 on domestically produced vehicles. Their primary goal was to avoid a horsepower war in a country where the maximum speed limit is 62 mph). Real horsepower was estimated to be around 308hp. Torque was around 355ft-lbs and 295ft-lbs available as low as 1200 rpm. Nowhere near Rolls-Royce V12 kind of power. Just smooth effortless acceleration. I've always felt the IS250 which had four cylinder power but two extra cylinders was to make it a smoother operator.
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Old 01-09-19, 06:16 PM
  #108  
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Originally Posted by Hoovey2411 View Post
The 1GZ-FE was a 5.0L V12 with 276-280hp due to the Japanese Manufacturers Agreement (Since 1989, Japanese automakers have all endorsed—at least on paper—a kind of gentlemen's agreement that limited their advertised horsepower to 276 on domestically produced vehicles. Their primary goal was to avoid a horsepower war in a country where the maximum speed limit is 62 mph). Real horsepower was estimated to be around 308hp. Torque was around 355ft-lbs and 295ft-lbs available as low as 1200 rpm. Nowhere near Rolls-Royce V12 kind of power. Just smooth effortless acceleration. I've always felt the IS250 which had four cylinder power but two extra cylinders was to make it a smoother operator.
Yep, and all that R&D etc. went into a motor just for one car for only one market, impressive. The power stats won't blow anyone away but I could only imagine the drive. Absolutely it could be argued that Lexus made the smoothest V8, I can't imagine a V12.

IS250 came around when 204hp wasn't terrible. By the end of that design yes it was seriously, seriously lacking in power relative to the competition. I've had a few loaners and I wouldn't call them slow, but we have a 350 and the difference is unbelievable. I never drive our IS350 bc I'll get into trouble with it, lol. The thing just flies, it's insane. I've seen published 0-60 times of 4.9 seconds for that model and believe it.

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Old 01-09-19, 06:36 PM
  #109  
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Originally Posted by AJT123 View Post
we have a 350 and the difference is unbelievable. I never drive our IS350 bc I'll get into trouble with it, lol. The thing just flies, it's insane. I've seen published 0-60 times of 4.9 seconds for that model and believe it.
And, I might add that the nice engine you describe is the classic Toyota/Lexus 3.5L V6.......the engine that so many folks here on Car Chat like to pan as "inadequate" and "outdated". That's simply nonsense.
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Old 01-09-19, 06:50 PM
  #110  
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Originally Posted by mmarshall View Post
And, I might add that the nice engine you describe is the classic Toyota/Lexus 3.5L V6.......the engine that so many folks here on Car Chat like to pan as "inadequate" and "outdated". That's simply nonsense.
No that engine is the transverse 2GR-FE think ES/RX/Avalon. The one he described in the IS is the 2GR-FSE with direct injection and port injection. Now recently ToMoCo uses 2GR-FKS which combines the D-4S system from the 2GR-FSE with the simulated on-demand Atkinson cycle used in the 2UR-GSE.
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Old 01-09-19, 06:56 PM
  #111  
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Originally Posted by Hoovey2411 View Post
No that engine is the transverse 2GR-FE think ES/RX/Avalon. The one he described in the IS is the 2GR-FSE with direct injection and port injection. Now recently ToMoCo uses 2GR-FKS which combines the D-4S system from the 2GR-FSE with the simulated on-demand Atkinson cycle used in the 2UR-GSE.

Yes, there are some transverse/longitudinal differences, but it's the same basic block, isn't it?
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Old 01-09-19, 07:00 PM
  #112  
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Originally Posted by Hoovey2411 View Post
No that engine is the transverse 2GR-FE think ES/RX/Avalon. The one he described in the IS is the 2GR-FSE with direct injection and port injection. Now recently ToMoCo uses 2GR-FKS which combines the D-4S system from the 2GR-FSE with the simulated on-demand Atkinson cycle used in the 2UR-GSE.
Still a 2GR? . The new Avalon motor is the same as the GS350 motor.
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Old 01-09-19, 07:06 PM
  #113  
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Originally Posted by LexsCTJill View Post
Still a 2GR? . The new Avalon motor is the same as the GS350 motor.
Which is why I said ToMoCo now uses 2GR-FKS
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Old 01-09-19, 07:33 PM
  #114  
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Originally Posted by mmarshall View Post
And, I might add that the nice engine you describe is the classic Toyota/Lexus 3.5L V6.......the engine that so many folks here on Car Chat like to pan as "inadequate" and "outdated". That's simply nonsense.
Whatever it is, it works lol. I just can't resist flooring it every time I drive it, and, well, you're up to super illegal speeds in a blink. LS makes you just want to cruise and waft around; this thing wants you to get crazy lol.

I'm probably splitting hairs and/or am spoiled by my 4.3L V8 but it's not the smoothest V6 I've ever had--don't get me wrong, it's not NOT smooth, but I've had a smoother V6 before in my old 2006 Acura TL. Power wise, though, it's annihilated by the Lexus 3.5.
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