Considering Trading my 14' Overland V8 for 15' Limited ED - Page 2 - Jeep Garage - Jeep Forum

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  #13  
Old 08-11-2015, 11:47 AM
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Re: Considering Trading my 14' Overland V8 for 15' Limited ED

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Originally Posted by overlanding View Post
You really feel like the air suspension is firmer and more planted?? My 2012 Overland was 4x2 so it didn't have the air suspension.. I don't remember it feeling as floaty and there's a bit of nose dive when hitting the brakes. That's why everyone is hoping to see a sport tuned air suspension on the High Altitude...
Maybe the 2015 air suspension is a little different? My typical drive (and our test drive) involves twisty rural highways between 45 and 60 MPH. Once aero mode is engaged, yes, it definitely felt like there was less body roll in the corners than the standard suspension.

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  #14  
Old 08-11-2015, 07:28 PM
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Re: Considering Trading my 14' Overland V8 for 15' Limited ED

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Originally Posted by frankg_3 View Post
I went from a 2014 3.6L Limited, ORAII, Sunroof, Nav to a 2015 5.7L Overland to a 2015 3.0L EcoDiesel Limited, ORAII, LuxuryII.
Your like me..In the past year and a half, Ive owned four 2015 cars and one 2014 truck.
In my defense the last one was a lemon
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  #15  
Old 08-11-2015, 10:16 PM
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Re: Considering Trading my 14' Overland V8 for 15' Limited ED

I've ridden in an air overland V6 and thought it was very nice. My coil spring Limited is nice too bit bare in mind mine took 1000 miles to soften up. At first I thought the rebound was way high and took small ruts roughly. The Napa leather in the Lux II is soft and again took a while to break in.
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  #16  
Old 08-11-2015, 10:18 PM
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Re: Considering Trading my 14' Overland V8 for 15' Limited ED

There's very little turbo lag with the 8 speed, it is always willing to downshift and go. Guys are confusing throttle tip from stop and that's fixed with a heavier foot.
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  #17  
Old 08-12-2015, 03:30 AM
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Re: Considering Trading my 14' Overland V8 for 15' Limited ED

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Originally Posted by echo7tango View Post
<snip>
One thing about the EcoDiesel is that there is significant turbo lag - from a standing start, if you punch the accelerator it is about a second before it kicks in. Definitely noticeable, and a definite lag.
Did I say a second? The lag is much more than that. I timed it today, a few times:

1) From a standing start at idle, punch the throttle and release the brakes.
2) Wait for 2 full seconds. 2 seconds! Not a second(!).
3) During these 2 seconds the car rolls forward slowly, for about one car length.
4) After 2 seconds the turbos kick in and the Jeep jumps forward smartly.

For timing I didn't use a stopwatch, I counted one thousand one, one thousand two. I invite others to test their own diesels. I was surprised the lag was 2 seconds.

2 seconds.
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  #18  
Old 08-12-2015, 03:41 AM
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Re: Considering Trading my 14' Overland V8 for 15' Limited ED

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Originally Posted by stician View Post
There's very little turbo lag with the 8 speed, it is always willing to downshift and go. Guys are confusing throttle tip from stop and that's fixed with a heavier foot.
Really? While driving and the RPMs are already up, yes, there is little lag because the exhaust gasses are already spinning the turbo. But at idle, the turbo isn't spinning yet. Punch the throttle (with a heavy foot, to the floor) and you're waiting 2 seconds before it kicks in.

That's turbo lag.

Try it and see.
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  #19  
Old 08-12-2015, 11:08 AM
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Re: Considering Trading my 14' Overland V8 for 15' Limited ED

Quote:
Originally Posted by echo7tango View Post
Really? While driving and the RPMs are already up, yes, there is little lag because the exhaust gasses are already spinning the turbo. But at idle, the turbo isn't spinning yet. Punch the throttle (with a heavy foot, to the floor) and you're waiting 2 seconds before it kicks in.

That's turbo lag.

Try it and see.
Alright I might have to retract, or at least revise, what I said. I'm reading and finding info here about this, including this thread, Diesel Lag. Hill Start Assist affects acceleration, and I have HSA on. I'll try with it off. Anyway, stician, you may be right about that throttle tip thing.
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Old 08-15-2015, 09:19 AM
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Re: Considering Trading my 14' Overland V8 for 15' Limited ED

Quote:
Originally Posted by echo7tango View Post
Did I say a second? The lag is much more than that. I timed it today, a few times:

1) From a standing start at idle, punch the throttle and release the brakes.
2) Wait for 2 full seconds. 2 seconds! Not a second(!).
3) During these 2 seconds the car rolls forward slowly, for about one car length.
4) After 2 seconds the turbos kick in and the Jeep jumps forward smartly.

For timing I didn't use a stopwatch, I counted one thousand one, one thousand two. I invite others to test their own diesels. I was surprised the lag was 2 seconds.

2 seconds.

Wait, I'm stuck at step 1 here. If I rev to 2k, release the brakes and floor it at the same time, this diesel flys off the line something fierce.

But, sometimes if I just let go of the brakes and then floor it I'll get the delay you're likely talking about. Then again, if I ease into the throttle for a second after releasing the brakes and floor it it goes EVERY time. Maybe because if you roll into it, you're already at peak torque RPM in first or second gear and at that point, the turbo can completely spool to max boost nearly instantly. Just a thought.
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