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Author Topic: which is the quickest 2.5?  (Read 6442 times)

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tunnie

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Re: which is the quickest 2.5?
« Reply #60 on: 12 April 2011, 22:58:31 »

Quote
Quote
how many different types are there?

cdx
gls
cd
tdcx
td elite

am i missing any? so the gls is the quickest?

gls
cd
cdx
elite
mv6
sport
td gls
td cd
td cdx
td elite

then manuels and autos takes it to 20 and thats without adding the estates up

Don't forget the poverty spec "Select" model  :y
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Banjax

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Re: which is the quickest 2.5?
« Reply #61 on: 13 April 2011, 05:22:09 »

Everything being equal, you're still not going to detect any difference in speed between the trim levels unless you have a stopwatch that goes to 1/100,000ths  ;D

the minor difference in weight on a car the size of an omega is insignificant, like driving a caterham before and after having your haircut  :y

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cem_devecioglu

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Re: which is the quickest 2.5?
« Reply #62 on: 13 April 2011, 10:23:47 »

during that debate I think one point also not mentioned.. a heavier car is not always slower.. its acceleration depends also on the downforce .. if the downforce is not adequate, your tires can not apply full force to the surface.. ::)

also meaning suspension components play an important role..

of course all these are valid if we race on a straight track..

however on curved roads as centrifugal forces come into play things change drastically as higher mass is disadvantage..
« Last Edit: 13 April 2011, 10:29:49 by cem_devecioglu »
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mr carl

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Re: which is the quickest 2.5?
« Reply #63 on: 13 April 2011, 10:32:30 »

Quote
during that debate I think one point also not mentioned.. a heavier car is not always slower.. its acceleration depends also on the downforce .. if the downforce is not adequate, your tires can not apply full force to the surface.. ::)

also meaning suspension components play an important role..

of course all these are valid if we race on a straight track..

however on curved roads as centrifugal forces come into play things change drastically as higher mass is disadvantage..
But both cars would have these factors to contend with, not only the lighter of the two....
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cem_devecioglu

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Re: which is the quickest 2.5?
« Reply #64 on: 13 April 2011, 10:52:17 »

Quote
Quote
during that debate I think one point also not mentioned.. a heavier car is not always slower.. its acceleration depends also on the downforce .. if the downforce is not adequate, your tires can not apply full force to the surface.. ::)

also meaning suspension components play an important role..

of course all these are valid if we race on a straight track..

however on curved roads as centrifugal forces come into play things change drastically as higher mass is disadvantage..

But both cars would have these factors to contend with, not only the lighter of the two....

if we are talking about physics (as we have to) those factors wont be the same .. cars with powers exceeding 200 hp will need some weight for downforce..  and dont neglect the factor of wind uplift.. trust me if we were talking about 500 hp or  more downforce would be very critical..

imo too many parameters to take into account.. best approach is to try them on the track ;D
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mr carl

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Re: which is the quickest 2.5?
« Reply #65 on: 13 April 2011, 11:47:34 »

Lmao I just wanted to know which car out of the range was booked as the quickest :D
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albitz

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Re: which is the quickest 2.5?
« Reply #66 on: 13 April 2011, 11:49:53 »

Downforce will not have any influence at all accellerating from 0-60mph. ;)..............asuming you are talking about aerodynamic downforce ?
« Last Edit: 13 April 2011, 11:50:56 by albitz »
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Jimbob

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Re: which is the quickest 2.5?
« Reply #67 on: 13 April 2011, 12:00:14 »

Quote
Lmao I just wanted to know which car out of the range was booked as the quickest :D


No practical difference  :y  I think is the answer you want.

you are limiting yourself to older cars with the 2.5.

If you went 2.6, you get virtually the same economy / power but can go considerable newer, and also add the MV6 to your choices being a little sportier in suspension.

mr carl

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Re: which is the quickest 2.5?
« Reply #68 on: 13 April 2011, 12:00:38 »

Quote
Everything being equal, you're still not going to detect any difference in speed between the trim levels unless you have a stopwatch that goes to 1/100,000ths  ;D

the minor difference in weight on a car the size of an omega is insignificant, like driving a caterham before and after having your haircut  :y

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cem_devecioglu

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Re: which is the quickest 2.5?
« Reply #69 on: 13 April 2011, 12:59:44 »

Quote
Downforce will not have any influence at all accellerating from 0-60mph. ;)..............asuming you are talking about aerodynamic downforce ?


if there is no downforce, there will be no grip  ;) and no acceleration ;D

why do you think f1 cars have those wings ..
« Last Edit: 13 April 2011, 13:01:13 by cem_devecioglu »
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cem_devecioglu

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Re: which is the quickest 2.5?
« Reply #70 on: 13 April 2011, 13:04:09 »

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Quote
Downforce will not have any influence at all accellerating from 0-60mph. ;)..............asuming you are talking about aerodynamic downforce ?


if there is no downforce, there will be no grip  ;) and no acceleration ;D

why do you think f1 cars have those wings ..


make a simple test..

take a tire with no wheel and put on the road and try turning.. easy.. then push downwards and now try to turn..
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mr carl

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Re: which is the quickest 2.5?
« Reply #71 on: 13 April 2011, 13:12:59 »

Quote
Quote
Downforce will not have any influence at all accellerating from 0-60mph. ;)..............asuming you are talking about aerodynamic downforce ?


if there is no downforce, there will be no grip  ;) and no acceleration ;D

why do you think f1 cars have those wings ..

So now I need a spoiler just to get the bugger to move?  ;D
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cem_devecioglu

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Re: which is the quickest 2.5?
« Reply #72 on: 13 April 2011, 13:13:04 »

ok.. here is the question..

what shape will have the graph if you plot acceleration (y axis) versus tire width (x axis) ?
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cem_devecioglu

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Re: which is the quickest 2.5?
« Reply #73 on: 13 April 2011, 13:14:40 »

Quote
Quote
Quote
Downforce will not have any influence at all accellerating from 0-60mph. ;)..............asuming you are talking about aerodynamic downforce ?


if there is no downforce, there will be no grip  ;) and no acceleration ;D

why do you think f1 cars have those wings ..

So now I need a spoiler just to get the bugger to move?  ;D

not simple to answer.. depends on your car weight, tire profile , engine torque.. :-/
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mr carl

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Re: which is the quickest 2.5?
« Reply #74 on: 13 April 2011, 13:21:14 »

Quote
Quote
Quote
Quote
Downforce will not have any influence at all accellerating from 0-60mph. ;)..............asuming you are talking about aerodynamic downforce ?


if there is no downforce, there will be no grip  ;) and no acceleration ;D

why do you think f1 cars have those wings ..

So now I need a spoiler just to get the bugger to move?  ;D

not simple to answer.. depends on your car weight, tire profile , engine torque.. :-/
Sounds like it will be more effective if I just get someone to push me everywhere...

The reason I'm a little anal with 0-60 times is if I don't mind having a car 1 second slower than the calibra, then I won't mind having a v6 1 second slower than the faster 2.5....so by this time I have lost 2seconds slower than the car I started with, then I just as well get a diesel....
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