welderman
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 posted on 27/3/14 at 10:57 AM |
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getting my head around slick tyres
Ok chaps I have some 7x13" wheels fitted with 175/50r/13 tyres. I would like some slicks to fit these. Could someone point me in the right
direction as to what size I would require please.
Does 175/505/13 sound right lol
Thank's, Joe 
I don't stalk people
http://www.locostbuilders.co.uk/forum/23/viewthread.php?tid=172301
Back on with the Fisher Fury R1
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loggyboy
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| posted on 27/3/14 at 11:40 AM |
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Looks right according to this.
http://www.cargister.com/calculator-race-tires
Mistral Motorsport
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daniel mason
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| posted on 27/3/14 at 11:49 AM |
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175 radial slick is wider than a 175 road tyre. the (flat) surface area of the slick will be around 175mm not including any sidewall.
505 is the diamiter in mm. 175mm tread width
my radical runs 195/535 front 250/570 rear
depending on camber settings dictates crossply/radial debate and some slicks require much more negative camber than other. dunlop radials rund 3 - 4
deg neg up front. avons 1-2 deg neg. crossplys around vertical or a touch of positive!
ive just had my car set up and asked loads of questions so if you need anything just ask! cheers
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Andy D
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| posted on 27/3/14 at 01:03 PM |
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I use Michelin 16/53 on 7" rims on the front of my car, and have used 20/54s on 7" on the rear too. I now run the wider ones on 8"
rims.
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welderman
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| posted on 27/3/14 at 01:16 PM |
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cheers guys, its for the mini I now have. And plan on doing a track day when its fully sorted.
Thank's, Joe
I don't stalk people
http://www.locostbuilders.co.uk/forum/23/viewthread.php?tid=172301
Back on with the Fisher Fury R1
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CNHSS1
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| posted on 27/3/14 at 02:02 PM |
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you can get a data sheet on a competition tyre (slick/wet/inter) from most manufacturers. imho, its better to run a wider rim for the tyre than its
designed for (about an inch) but never a wider tyre than rim as it gives an odd sensation at initial change of direction as the tyre carcass goes
parallelogram.
this is a typical Avon data sheet
http://www.avonmotorsport.com/motorsport/crossply/13-crossply-slicks
http://www.avonmotorsport.com/motorsport/radial/13-radial-slick
youll notice that some tyres are nearly the same 'nominal' size and yet when you look at the actual tread with or rolling radius they are
different. Often reason it one will be a control tyre for a given series (F3, other single seater etc), and they tinker with the tread area to give
max rubber on the road for a control wheel size, and the sidewall construction. A light single seater 300kgs with wings and downforce, will compress a
single seater construction tyre designed for use without wings for instance.
"Racing is life, everything else, before or after, is just waiting"---Steve McQueen
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CNHSS1
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| posted on 27/3/14 at 02:04 PM |
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also as Daniel mentioned, radials love camber and crossplys just don't! usually run 1/2 deg neg rear and 3/4-1deg front on hills, but for
circuit use and lots of laps, probably need 1/2 deg max fr on crossplies.
often near zero toe F&R too, they aint a road tyre ;-)
"Racing is life, everything else, before or after, is just waiting"---Steve McQueen
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theduck
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| posted on 27/3/14 at 08:05 PM |
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You have 175 tyres on a 7 inch wheel?
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loggyboy
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| posted on 27/3/14 at 08:13 PM |
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quote:
Originally posted by welderman
cheers guys, its for the mini I now have. And plan on doing a track day when its fully sorted.
Worth checking before you book, as some TDs dont let you use slicks. No idea if thats enforced tho.
Mistral Motorsport
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Doctor Derek Doctors
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| posted on 27/3/14 at 08:26 PM |
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I've got a set of Michelins going cheap if you're interested 3x 160/5313 and 2x 230/57/13 extra discount for the welde of the Life-Taker
Designer and Supplier of the T89 Designs - Single Seater Locost. Build you own Single Seater Racecar for ~£5k.
Plans and Drawings available, U2U or e-mail for details.
Available Now: The Sports Racer Add-On pack, Build a full bodied Sports Racer for Trackdays, Sprints and Racing.
www.t89.co.uk
www.racecarwings.co.uk
callan@t89.co.uk
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NOTE:This user is registered as a LocostBuilders trader and may offer commercial services to other users
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welderman
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| posted on 28/3/14 at 08:52 AM |
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quote:
Originally posted by Doctor Derek Doctors
I've got a set of Michelins going cheap if you're interested 3x 160/5313 and 2x 230/57/13 extra discount for the welde of the Life-Taker
Cheers for the offer fella, are the radials. Still a novice slick peep 
Thank's, Joe
I don't stalk people
http://www.locostbuilders.co.uk/forum/23/viewthread.php?tid=172301
Back on with the Fisher Fury R1
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welderman
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| posted on 28/3/14 at 08:53 AM |
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quote:
Originally posted by loggyboy
quote:
Originally posted by welderman
cheers guys, its for the mini I now have. And plan on doing a track day when its fully sorted.
Worth checking before you book, as some TDs dont let you use slicks. No idea if thats enforced tho.
HMMM, maybe have a look at some A048's then too, Ta for the heads up
Thank's, Joe
I don't stalk people
http://www.locostbuilders.co.uk/forum/23/viewthread.php?tid=172301
Back on with the Fisher Fury R1
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Doctor Derek Doctors
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| posted on 28/3/14 at 10:04 AM |
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quote:
Originally posted by welderman
quote:
Originally posted by Doctor Derek Doctors
I've got a set of Michelins going cheap if you're interested 3x 160/5313 and 2x 230/57/13 extra discount for the welde of the Life-Taker
Cheers for the offer fella, are the radials. Still a novice slick peep
They are radials from a Formula Renault, in good condition. Selling as I have too many sets.
Most track days let you run slicks as long as you have a roll cage, I checked before I fitted mine. Javelins and Circuits days definitely do let you
use slicks.
Designer and Supplier of the T89 Designs - Single Seater Locost. Build you own Single Seater Racecar for ~£5k.
Plans and Drawings available, U2U or e-mail for details.
Available Now: The Sports Racer Add-On pack, Build a full bodied Sports Racer for Trackdays, Sprints and Racing.
www.t89.co.uk
www.racecarwings.co.uk
callan@t89.co.uk
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NOTE:This user is registered as a LocostBuilders trader and may offer commercial services to other users
|
