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| ToppThat | Tire size/effect, question. | ||
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Guru Newb
 
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In sept. I bought michelin 275/35 18 s/s front.345/30/19 pilot sport cups rear.Im happy so far.All the technical info.ive obtained so far is 18 RPMs decrease per mile.Can anyone tell me speedo and odometer amount of change.I dont expect the rears to last long since traction still eludes me.Thanks (325 F1=783.mi.) (345=765-mi.)
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Posted on: 2012/10/17 23:27
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| Matatk | Re: Tire size/effect, question. | ||
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Webmaster
 
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http://www.1010tires.com/TireSizeCalculator.asp
From a random internet post I believe stock sizes are: 245/40 18 front 285/35 19 rear Your Results:Start Over Stock Tire - 285/35R19 Search Tires Tire 1 - 345/30R19 Search Tires Section Width: 11.22 in 285 mm Section Width: 13.58 in 345 mm Rim Diameter: 19 in 482.6 mm Rim Diameter: 19 in 482.6 mm Rim Width Range: 9 - 11 in Rim Width Range: 12 - 13.5 in Overall Diameter: 26.85 in 681.99 mm Overall Diameter: 27.14 in 689.35 mm Sidewall Height: 3.92 in 99.568 mm Sidewall Height: 4.07 in 103.37 mm Radius: 13.42 in 340.86 mm Radius: 13.57 in 344.67 mm Circumference: 84.35 in 2142.4 mm Circumference: 85.26 in 2165.6 mm Revs per Mile: 774.6 Revs per Mile: 766.3 Actual Speed: 60 mph 100 km/h Speedometer1: 59.3 mph 98.9 km/h Speedometer Difference: - Speedometer Difference: 1.083% too slow Diameter Difference: - Diameter Difference: 1.07% |
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Posted on: 2012/10/18 1:27
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2002 EBM convertible, Magnusson supercharger, cam, headers, etc. 1989 Corvette...RIP |
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| ToppThat | Re: Tire size/effect, question. | ||
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Guru Newb
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Thank you .My stock 325 F1s at 60 mph compared to my new 345 pilots 58.9 mph.That is a great tool. 2008 Z06
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Posted on: 2012/10/18 5:23
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Transfer
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| Matatk | Re: Tire size/effect, question. | ||
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Sorry I got the stock size wrong. I guess that's for a standard C6. But the point was to give you the link to that site. Glad it worked out for you.
Matthew |
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Posted on: 2012/10/18 11:24
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2002 EBM convertible, Magnusson supercharger, cam, headers, etc. 1989 Corvette...RIP |
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| ToppThat | Re: Tire size/effect, question. | ||
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Guru Newb
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No I should of been more specific,but im not a experienced poster yet.The car looks and drives better on my non run flats.Thanks again.Dan
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Posted on: 2012/10/18 14:04
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Transfer
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| bogus | Re: Tire size/effect, question. | ||
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Grand Imperial Pooh-Bah
 
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the tires have to be 1/2" taller or more before they cause an issue.
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Posted on: 2012/10/18 15:29
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The single biggest problem with communication is the illusion that it has taken place. - George Bernard Shaw Education is the best tool to overcome irrational fear. - me |
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| ToppThat | Re: Tire size/effect, question. | ||
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Guru Newb
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I kept my old tires,and if my measuring is accurate width is 13" on both but height is 26" and 27"on installed 345s.I tried.Theres no fitment issues,but front does seem lower.Tank is full,36psi in all 4 tires.looks great.
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Posted on: 2012/10/18 16:05
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Transfer
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| bogus | Re: Tire size/effect, question. | ||
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Grand Imperial Pooh-Bah
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you can't successfully compare tire heights on one tire that is loaded and one not...
in that case, math is the only fair way to do it. |
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Posted on: 2012/10/18 19:05
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_________________
The single biggest problem with communication is the illusion that it has taken place. - George Bernard Shaw Education is the best tool to overcome irrational fear. - me |
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Transfer
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| ToppThat | Re: Tire size/effect, question. | ||
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Guru Newb
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Check out this website www.Tacomaworld.com/forum/tirecalc.php another sizing tool
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Posted on: 2012/10/18 21:07
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Transfer
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