Rain tire closeout at hoosier

Mike · 02-07-2014, 09:40 PM

I just got a set. they are Continentals, but made by Hoosier, 265/645-18 at 100 each plus 15 shipping. Just scroll to bottom of page.https://www.hoosiertire.com/discontinuedtires.htm

they also have continental 285/645/-18 slicks at 110 each. I might get a set or two.

whis9 · 02-09-2014, 10:45 AM

how do you figure out he size on those, can never remember

285/645/-18=285/35/-18?

IMWEZL · 02-17-2014, 12:35 AM

Yeah I can't figure out the sizes either but I was wondering if those Continental road tires would even heat up on a 40-60 second auto-x course? Probably not

Mike · 02-18-2014, 01:21 AM

645 is tire height in mm., not aspect ratio, 25.4"

BGTV8 · 02-18-2014, 02:29 AM

285/645R18 is between 30-profile and 35-profile.

285/30R18 should give you a tyre diameter of 628.2mm and
285/35R18 should give you a tyre diameter of 656.7mm

so the aspect ratio is somewhere around 33%

My formula for tyre height in mm is:

2*((Section Width * Aspect ratio)/100) + 18*25.4

These would almost be worth buying and having shipped here as the price is actually pretty good, even allowing for freight and import taxes.

RB

02-07-2014, 09:40 PM	#1 (permalink)
Mike The370Z.com Sponsor Join Date: Jun 2009 Location: Loganville, GA Posts: 5,944 Drives: 370z Rep Power: 2186	Rain tire closeout at hoosier I just got a set. they are Continentals, but made by Hoosier, 265/645-18 at 100 each plus 15 shipping. Just scroll to bottom of page.https://www.hoosiertire.com/discontinuedtires.htm they also have continental 285/645/-18 slicks at 110 each. I might get a set or two. __________________ NISSAN: 75 280Z / 86 300ZX GLL /87 Sentra SE / 03 350Z / 23 Z Porsche: 93 968 / 23 Macan GTS / 93 968

02-18-2014, 01:21 AM	#4 (permalink)
Mike The370Z.com Sponsor Join Date: Jun 2009 Location: Loganville, GA Posts: 5,944 Drives: 370z Rep Power: 2186	645 is tire height in mm., not aspect ratio, 25.4" __________________ NISSAN: 75 280Z / 86 300ZX GLL /87 Sentra SE / 03 350Z / 23 Z Porsche: 93 968 / 23 Macan GTS / 93 968

02-18-2014, 02:29 AM	#5 (permalink)
BGTV8 A True Z Fanatic Join Date: Dec 2009 Location: 03350 Australia Posts: 1,514 Drives: 09 Nissan 370Z M6 Rep Power: 39974	285/645R18 is between 30-profile and 35-profile. 285/30R18 should give you a tyre diameter of 628.2mm and 285/35R18 should give you a tyre diameter of 656.7mm so the aspect ratio is somewhere around 33% My formula for tyre height in mm is: 2((Section Width Aspect ratio)/100) + 18*25.4 These would almost be worth buying and having shipped here as the price is actually pretty good, even allowing for freight and import taxes. RB DEpointfive0 likes this.

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02-09-2014, 10:45 AM	#2 (permalink)
whis9 Base Member Join Date: Dec 2012 Location: Dayton Posts: 54 Drives: 2003 under the knife Rep Power: 13	how do you figure out he size on those, can never remember 285/645/-18=285/35/-18?

02-17-2014, 12:35 AM	#3 (permalink)
IMWEZL Track Member Join Date: Apr 2009 Location: HNL Posts: 603 Drives: 370Z/MKVII GTI Rep Power: 17	Yeah I can't figure out the sizes either but I was wondering if those Continental road tires would even heat up on a 40-60 second auto-x course? Probably not