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Alignment settings for track! Any help please



K

Kerwall

  Clio 172
I'm only using my car on track now an have adjustable camber bolts and strut bodies. Ideally I'm guessing toe out 1degree is ok but how much camber should I run on the front, any help will be very much appreciated
 
C

Chip-mk1

  182/RS2/ Turbo/Mk1
It varies based on a lot of other factors (wheel offset effecting scrub radius etc) and based on your drive style.

But personally I like 3-4 degrees of camber and parellel or tiny bit of toe out.
 
S

Sam@NP

  Lotus Elise
Chip-mk1 said:
It varies based on a lot of other factors (wheel offset effecting scrub radius etc) and based on your drive style.

But personally I like 3-4 degrees of camber and parellel or tiny bit of toe out.
Click to expand...

As a full on track car then 3-4 is more like it
 
C

Chip-mk1

  182/RS2/ Turbo/Mk1
Or just too fed up of the same question getting asked again and again and didnt bother reading it properly? lol
 
S

Skeeter

  Ph2 Clio 172
Maybe you guys could construct a geometry guide/list of recommendations that could be put as a sticky?
 
MicKPM

MicKPM

ClioSport Trader
  Clio16v/Zoe Z.E.50
A laser is no good chap as surface temps change so fast plus your laser thermometer isn't specifically calibrated for the materials surface type.

You really need something like Tony has which is a probe based pyrometer to do it right.
 
K

Kerwall

  Clio 172
Ahh ok then. Do you get really good benefits from having one? As I'm wondering if making my driving skills better would benefit more than that? Or if they don't cost the earth buy one anyway.
 
C

Chip-mk1

  182/RS2/ Turbo/Mk1
Work on your driving a bit first, without consistency in driving no test results will be valid.

Really tyre temps need to be monitored in real time not after you pull in, but its very expensive to do so.

p.s

TBH if its a trackday car, just how much the tyres wear the inner versus outer edge will probably be enough to tell you if you need more camber!
 
Last edited:
K

Kerwall

  Clio 172
I'm doing my ards test next month, I have done quite a few trackdays and had a bit of tuition but obviously I'm very much a novice so I think tyre wear is prob as accurate as I need at the moment until I myself get faster. I've had the car corner weighted and it is being set up today with 3 degrees front camber, I've got 1 degree rear and half a degree toe out. So thanks for all your info and il see how I get on at the next trackday
 
K

Kerwall

  Clio 172
No I haven't they are standard ph2 front arms. I did ask Renault about the cup front arms but they said the part number so I left them.
 
C

Chip-mk1

  182/RS2/ Turbo/Mk1
Madness not using the increased caster ones TBH mate when its for a trackday car.

Adam at renault parts wolverhampton knows all the correct numbers.

What year is your car, the last of the ph2 172 often have the right arms anyway.
 
K

Kerwall

  Clio 172
Yeah that's why I asked Renault a long time ago because I wanted them but when they said they're the same I left them. Il have to get in contact with him then because there's no point having the car set up if I need to change them.
 
C

Chip-mk1

  182/RS2/ Turbo/Mk1
Kerwall said:
Yeah that's why I asked Renault a long time ago because I wanted them but when they said they're the same I left them. Il have to get in contact with him then because there's no point having the car set up if I need to change them.
Click to expand...

Exactly mate, would be silly to set it up with less caster.

The other option is you could modify the arms for even more than the cup has, I did so with quite a lot of success but I came to have issues with scrubbing, but if its a pure trackday car you would probably be more prepared to cut metal out than I was on a road car.
 
K

Kerwall

  Clio 172
Ok. Is that a matter of moving the ball joint further forward in the arm then? Yeah I don't mind having to make some stuff up if need be, do you have to elongate the furthest hole out to allow the ball joint to move further forward or have I totally missed the mark?
 
K

Kerwall

  Clio 172
Ok had a quick search and I'm going to elongate the front hole 5mm maybe? Does that sound enough to make enough of a difference?
 
C

Chip-mk1

  182/RS2/ Turbo/Mk1
There was a hidden link in my message mate, just roll over and there is a link to the thread all about it.
 
K

Kerwall

  Clio 172
Got it now. From what I get move it as far forward as poss. Il get on that tonight. Cheers for your help mate
 
C

Chip-mk1

  182/RS2/ Turbo/Mk1
No problem at all mate.

If you do it the amount I did in that thread, you might have to cut some clearance out of the front bodywork, but like I said if its for a trackday car that shouldnt be an issue.
 
Tony Hunter

Tony Hunter

  182cup & 172 racecar
You can also alter you driving to the temps recorded.

But it will give you a good idea, by seeing the heat spread over the surface of the tyre.

​But yes, work on your driving first, but that wasn't asked in the op.
 
K

Kerwall

  Clio 172
If I could guarantee it would do the day and get me back I would lve too. I've spent a lot of time getting it ready the past four months and I've still got a heap of stuff to do. Plumb in the fire extinguisher, get my roll cage and fit it a seat the list goes on but I am slowly getting there. Maybe I should put a project thread up but a lot of the work has been done already. Thanks anyway and I will be out at a renault day sooner or later.
 
K

Kerwall

  Clio 172
You know There is always more that you come across though mate my target is December. Although its a track car I like to do it nicely so it's done properly rather than throwing it together
 
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