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Old 07-22-24 | 03:43 PM
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Originally Posted by FrankReynoldsCPA
The 3.5's I've ridden in(I haven't driven one yet) have been rocket ships. I think you were experiencing either computer induced input lag or the transmission being caught off guard.
There is lag. The thing's a monster but there is lag.

Originally Posted by FrankReynoldsCPA
The 3.5 unequivocally is faster off the line regardless of any perceived turbo lag. Feeling like the 6.2 is faster doesn't actually make the 6.2 faster. Objective reality comes into play here.
I didn't say that it was. They're both fast enough, close enough that it's splitting hairs honestly, at least butt dyno. I had a great time driving it and ended up loving it, but no.... a big V8 is astoundingly better, to me at least.

Last edited by AJT123; 07-22-24 at 03:50 PM.
Old 07-22-24 | 05:02 PM
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Honestly I have almost never felt any lag in any turbo engine I've driven.
Old 07-22-24 | 05:03 PM
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Originally Posted by SW17LS
Honestly I have almost never felt any lag in any turbo engine I've driven.
Wow. I felt it in the W222 I drove briefly. Hardly a dealbreaker but I'd rather have displacement and a supercharger which are both pipe dreams.
Old 07-22-24 | 05:12 PM
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Originally Posted by AJT123
Wow. I felt it in the W222 I drove briefly. Hardly a dealbreaker but I'd rather have displacement and a supercharger which are both pipe dreams.
Don't feel it at all. In the W222 or the W223.
Old 07-22-24 | 05:21 PM
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Originally Posted by SW17LS
Honestly I have almost never felt any lag in any turbo engine I've driven.
Modern turbo's especially in cars and SUVs from MB, Audi and BMW etc. are very good and responsive.
Old 07-22-24 | 05:59 PM
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Originally Posted by SW17LS
Honestly I have almost never felt any lag in any turbo engine I've driven.
It was certainly present on older turbocharged engines. The 6.0 powerstroke diesel was infamous for its horrid turbo lag.

Anything in the last 10-15 years though is generally designed to avoid that as turbos have become much more adaptable. Using smaller twin turbos instead of a larger single turbo allows quick spooling. Or you can do a single twin-scroll turbo as well to get around it.

I'd bet money that what most people peg as turbo lag now is just throttle input lag.
Old 07-22-24 | 06:04 PM
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Originally Posted by SW17LS
Honestly I have almost never felt any lag in any turbo engine I've driven.
That's shocking you haven't, it's extremely obvious in most cases and less so in hot V8s but still noticeable. Launch your car and feel what it is like on fuel boost and it will be way more clear what the lag feels like/boost threshold.

Most turbo engines simply do not generate any boost below a certain rpm and since nothing is generated below that of you snap full throttle it sorta "surges" up to boost. That's what I consider lag since it's not full power
Old 07-22-24 | 06:06 PM
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Originally Posted by FrankReynoldsCPA
It was certainly present on older turbocharged engines. The 6.0 powerstroke diesel was infamous for its horrid turbo lag.

Anything in the last 10-15 years though is generally designed to avoid that as turbos have become much more adaptable. Using smaller twin turbos instead of a larger single turbo allows quick spooling. Or you can do a single twin-scroll turbo as well to get around it.

I'd bet money that what most people peg as turbo lag now is just throttle input lag.
Yep that's probably what it is and why they don't realize it indeed lag. It's fun having someone drive the 4.0 and then be astonished at it having "no lag" then letting them try the 12. Then they understand what no lag is.
Old 07-22-24 | 08:00 PM
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Originally Posted by SW17LS
Honestly I have almost never felt any lag in any turbo engine I've driven.

The long lag was simply awful in some of the first turbo engines I sampled, like the ones Chrysler used in the early 1980s with the Mitsubishi-designed turbos...but, of course, the last 40 years have produced a LOT of advances in turbo engineering. In my Encore GX, there is no turbo lag at all since the engine produces its maximum torque just off-idle, at 1700-1800 RPM. In fact, even with only three cylinders, you have to use the gas pedal gently from rest to get a smooth start.

I still remember my test-drive of a 1984 Dodge Daytona Turbo, with the turbo 2.2L four. You would sink your right foot into the pedal, and the car would go virtually nowhere for about three seconds or so, then suddenly push you back deeply into the seat with g-forces. You had to be very careful with other vehicles in front of you.....no emergency-braking or obstacle-detection in those days. You also had to use premium fuel in those days with turbos.....now many of them can use regular.

Last edited by mmarshall; 07-22-24 at 08:55 PM.
Old 07-22-24 | 08:40 PM
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Originally Posted by mmarshall
The long lag was simply awful in some of the first turbo engines I sampled, like the ones Chrysler used in the early 1980s with the Mitsubishi-designed turbos...but, of course, the last 40 years have produced a LOT of advances in turbo engineering. In my Encore GX, there is no turbo lag at all since the engine produces its maximum torque with off idle, at 1700-1800 RPM. In fact, even with only three cylinders, you have to use the gas pedal gently from rest to get a smooth start.

I still remember my test-drive of a 1984 Dodge Daytona Turbo, with the turbo 2.2L four. You would sink your right foot into the pedal, and the car would go virtually nowhere for about three seconds or so, then suddenly push you back deeply into the seat with g-forces. You had to be very careful with other vehicles in front of you.....no emergency-braking or obstacle-detection in those days. You also had to use premium fuel in those days with turbos.....now many of them can use regular.
My first three cars were turbo cars in the 80's/90's. My first car in high school was a 1985 Nissan 200SX Turbo, then a 1993 300ZX TT, then a 1994 Supra TT and one thing they had in common was they all had turbo lag. Even the sequential turbos with the Supra and even with the Supra and 300ZX tuned, the turbo lag was very very noticeable.

I then went N/A with IS, LS, GX, Durango, Viper but now I'm back to having turbos again with the GTR, M340 and X7 M50. I still feel a little turbo lag but it is way better than the old turbos of the 80's/90's. It's almost a linear as N/A but I can still tell a little.
Old 07-22-24 | 08:45 PM
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To be clear I’m talking about modern turbocharged engines.

I don’t “launch” my cars lol. I drive them normally, spiritedly at times and I have never found there to be any lag
Old 07-22-24 | 08:49 PM
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Originally Posted by SW17LS
To be clear I’m talking about modern turbocharged engines.

I don’t “launch” my cars lol. I drive them normally, spiritedly at times and I have never found there to be any lag
There is lag there, I've driven your engine several times and it has to downshift or has a dead spot the power surges out of
Old 07-22-24 | 08:59 PM
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Originally Posted by SW17LS
To be clear I’m talking about modern turbocharged engines.

I don’t “launch” my cars lol. I drive them normally, spiritedly at times and I have never found there to be any lag

Yes, I don't launch either, even on a test-drive......it abuses the drivetrain. When I was talking about punching the gas pedal, I was referring to a rolling start and using a reasonable amount of push...not necessarily flooring it.
Old 07-23-24 | 05:51 AM
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Originally Posted by Toys4RJill
Interesting to see all the enthusiasts hate on V8s….
what are you talking about?

Originally Posted by Allen K
our Expedition rental in Toronto was very nice.
how did you find the ecoboost / transmission combo?

My neighbor with the pre-refresh Escalade loves his. He's got it in matte black and it does look nice when I see him around the neighborhood
pre-refresh escalade was sooo cheap inside though.

Originally Posted by Striker223
Not EVs, they are all the same
that would be like me saying to you all audio systems sound the same.

but since i drive an ev most of the time now, i now notice more how ice cars behave when i'm in them or driving them. the hesitations, delays, lurches, noises, etc. many will say that's just 'character' but in general i find it annoying and antiquated. i have no doubt if more people test drove ev's, more people would buy them, especially if they can charge at home. it's a no brainer. a model 3 or model y blows away a toyota camry or rav4 respectively for example. quieter, faster, roomier, no maintenance. but most people aren't open to change.
Old 07-23-24 | 06:51 AM
  #165  
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Originally Posted by Striker223
There is lag there, I've driven your engine several times and it has to downshift or has a dead spot the power surges out of
You ask way more out of an engine than 99% of people lol. I’m sure I could make it lag, but in any kind of driving I have ever done or will ever do or 99% of buyers will ever do it feels great and there is no lag.

I’m not an F1 driver lol

Originally Posted by bitkahuna
pre-refresh escalade was sooo cheap inside though.
This generation Escalade has been excellent inside since it came out. The previous gen Escalade was a different story.



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