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-   Discovery II (https://landroverforums.com/forum/discovery-ii-18/)
-   -   about that acceleration... (https://landroverforums.com/forum/discovery-ii-18/about-acceleration-66316/)

ralphobell Apr 8, 2014 11:11 AM

I don't think he was really asking for any more advice...he was being sarcastic....but this does keep him entertained during the day at work. Enjoy Zac!

SuperSport Apr 8, 2014 11:21 AM


Originally Posted by MarkSF (Post 457251)
what will happen to that Honda Civic that happens to be in the wrong place at the wrong time?

http://img2.wikia.nocookie.net/__cb2.../8/89/Poof.gif

ZGPhoto Apr 8, 2014 11:26 AM

It's not as though I'm doing 90 through traffic, it's an open highway. I understand how aging affects people differently, so I understand why you think 90mph is fast, it's not.

This vehicle is certainly capable of 90mph safely.

90mph is only 5 more than speed limit on this road, are you saying that 85 is unsafe?

Fastest Road in America: 85 MPH and We May Be Going Even Faster

Physics is only so helpful on paper. The chances of dying in a roll over at 65 and 90 are quite similar.

SuperSport Apr 8, 2014 12:19 PM

That article is an interesting read, thanks for sharing.

MarkSF Apr 8, 2014 12:45 PM

"Physics is only so helpful on paper. The chances of dying in a roll over at 65 and 90 are quite similar."

I can assure you that Physics works in real life too. Do you have any evidence to back this up whatsoever?

I do 90 mph on straight roads too, but in my low, stable European sedan - not in a tall, tippy off-road vehicle.

ZGPhoto Apr 8, 2014 12:52 PM


Originally Posted by MarkSF (Post 457267)
I can assure you that Physics works in real life too. Do you have any evidence to back this up whatsoever?

I do 90 mph on straight roads too, but in my low, stable European sedan - not in a tall, tippy off-road vehicle.

No evidence, but lost a friend who crashed going 50, that's a lot less than 85, in an Audi A4 no less...a stable european sedan. Do you have evidence that the same crash at 65 vs. 90 will be either life or death? No.

I will agree that there are more stable vehicles, but there is something wrong with your vehicle if it doesn't feel steady at 90mph.

Dave03S Apr 8, 2014 12:59 PM

To continue this thread jack, the only problem other than the impact of crashing at 90mph is the stress on the system.

Your cooling system better be top notch for sustained high speed operation or you will find its failure points at 90mph. Found that out in a honda accord driving across Montana back in the day of no limit daytime...

TripleThreat Apr 8, 2014 01:05 PM


Originally Posted by drowssap (Post 457199)
your GPR motor also has a non-stock cam

Correct... However, when I initially installed the GPR motor, I wasn't impressed because I had the exact same experience the OP had with regard to acceleration... Fairly easy initial take-off, but anemic acceleration through the mid RPM range.

Changing all four O2 sensors resolved the issue...

MarkSF Apr 8, 2014 01:25 PM


Originally Posted by ZGPhoto (Post 457268)
No evidence, but lost a friend who crashed going 50, that's a lot less than 85, in an Audi A4 no less...a stable european sedan. Do you have evidence that the same crash at 65 vs. 90 will be either life or death? No.

I will agree that there are more stable vehicles, but there is something wrong with your vehicle if it doesn't feel steady at 90mph.

It's a simple matter of common sense. The likelihood of the crash being fatal is related to the structure of the vehicle, and its ability to absorb the energy of the crash before deforming to a point where the interior is compromised, and before exerting dangerous forces on the occupants. So the chances of being killed pretty much are proportional to the square of the vehicle's speed.

My vehicle does feel perfectly steady at 90mph but I realise that this is an illusion. It just takes one blown out tire, or one fool in another lane to make a lane change without seeing you.

The fact that you don't understand the difference between the vehicle FEELING steady, and it's potentially instability at that speed when making sudden direction changes, speaks volumes.

This is precisely the problem with modern cars - they can cruise at 90-100mph and feel like they are hardly moving, but the Physics have not changed since the invention of the motor car.

Have a look at the accident statistics for the autobahn - the rate is quite low, but the accidents they do have are real doozies - and the Germans have the sense to know that if you are going to drive at those speeds, do it in a stable vehicle.

MarkSF Apr 8, 2014 01:31 PM

Here's an interesting article :

Car Rollovers | Rollover Safety - Consumer Reports

though I suspect you have one of those minds that's totally closed to rational argument.

"No evidence, but lost a friend who crashed going 50, that's a lot less than 85, in an Audi A4 no less"

This is just like the guy who know's someone who smoked all his life so thinks that it's fine, or the one who know's someone who died with their seatbelt on, so refuses to wear it. Someone died going 50mph, so it can't be more dangerous to drive at 85... what kind of logic is that?


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