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Tire Size and Speedo Reading
Please help me settle a "discussion" my neighbor and I are having. As
most of you already know, the stock tires on my 2003 TJ Sport are Goodyear GSA (I know, it stands for "Get Stuck Anywhere") 30x9.5/15. As soon as I can justify new tires, (wifey has issues) I will be putting on 31x10.5/15, probably MT/R's or the like. Here is the topic of "discussion"... I say the speedo will read less than the actual speed I'm travelling with the larger tires and my neighbor says the speedo will read more than than the actual speed. Can someone please chime in here? Thanks. John |
Re: Tire Size and Speedo Reading
I have 33s on my CJ and I never changed my trans cog so I comp my
speedometer by about 10 miles per hour up. The bigger tire rolls further per rev so your speed shows slower. -- 2CJs '82 258 CJ-7 O|||||||O http://arvin.homestead.com/files/websignature.jpg http://users.mo-net.com/arvin "John R" <john_r357@hotmail.com> wrote in message news:77ac046e.0310080321.67d1f0a7@posting.google.c om... > Please help me settle a "discussion" my neighbor and I are having. As > most of you already know, the stock tires on my 2003 TJ Sport are > Goodyear GSA (I know, it stands for "Get Stuck Anywhere") 30x9.5/15. > As soon as I can justify new tires, (wifey has issues) I will be > putting on 31x10.5/15, probably MT/R's or the like. Here is the topic > of "discussion"... I say the speedo will read less than the actual > speed I'm travelling with the larger tires and my neighbor says the > speedo will read more than than the actual speed. Can someone please > chime in here? Thanks. John |
Re: Tire Size and Speedo Reading
I have 33s on my CJ and I never changed my trans cog so I comp my
speedometer by about 10 miles per hour up. The bigger tire rolls further per rev so your speed shows slower. -- 2CJs '82 258 CJ-7 O|||||||O http://arvin.homestead.com/files/websignature.jpg http://users.mo-net.com/arvin "John R" <john_r357@hotmail.com> wrote in message news:77ac046e.0310080321.67d1f0a7@posting.google.c om... > Please help me settle a "discussion" my neighbor and I are having. As > most of you already know, the stock tires on my 2003 TJ Sport are > Goodyear GSA (I know, it stands for "Get Stuck Anywhere") 30x9.5/15. > As soon as I can justify new tires, (wifey has issues) I will be > putting on 31x10.5/15, probably MT/R's or the like. Here is the topic > of "discussion"... I say the speedo will read less than the actual > speed I'm travelling with the larger tires and my neighbor says the > speedo will read more than than the actual speed. Can someone please > chime in here? Thanks. John |
Re: Tire Size and Speedo Reading
I have 33s on my CJ and I never changed my trans cog so I comp my
speedometer by about 10 miles per hour up. The bigger tire rolls further per rev so your speed shows slower. -- 2CJs '82 258 CJ-7 O|||||||O http://arvin.homestead.com/files/websignature.jpg http://users.mo-net.com/arvin "John R" <john_r357@hotmail.com> wrote in message news:77ac046e.0310080321.67d1f0a7@posting.google.c om... > Please help me settle a "discussion" my neighbor and I are having. As > most of you already know, the stock tires on my 2003 TJ Sport are > Goodyear GSA (I know, it stands for "Get Stuck Anywhere") 30x9.5/15. > As soon as I can justify new tires, (wifey has issues) I will be > putting on 31x10.5/15, probably MT/R's or the like. Here is the topic > of "discussion"... I say the speedo will read less than the actual > speed I'm travelling with the larger tires and my neighbor says the > speedo will read more than than the actual speed. Can someone please > chime in here? Thanks. John |
Re: Tire Size and Speedo Reading
On 8 Oct 2003 04:21:48 -0700, john_r357@hotmail.com (John R) shared
the following: >Please help me settle a "discussion" my neighbor and I are having. As >most of you already know, the stock tires on my 2003 TJ Sport are >Goodyear GSA (I know, it stands for "Get Stuck Anywhere") 30x9.5/15. >As soon as I can justify new tires, (wifey has issues) I will be >putting on 31x10.5/15, probably MT/R's or the like. Here is the topic >of "discussion"... I say the speedo will read less than the actual >speed I'm travelling with the larger tires and my neighbor says the >speedo will read more than than the actual speed. Can someone please >chime in here? Thanks. John You are right. He is wrong. -- Travis FOR SALE: '63 VW Camo Baja... $1000 *FIRM* http://cgi.ebay.com/ebaymotors/ws/eB...tem=2436447561 http://bugadventures.dyndns.org Words that soak into your ears are whispered, not yelled. :wq! |
Re: Tire Size and Speedo Reading
On 8 Oct 2003 04:21:48 -0700, john_r357@hotmail.com (John R) shared
the following: >Please help me settle a "discussion" my neighbor and I are having. As >most of you already know, the stock tires on my 2003 TJ Sport are >Goodyear GSA (I know, it stands for "Get Stuck Anywhere") 30x9.5/15. >As soon as I can justify new tires, (wifey has issues) I will be >putting on 31x10.5/15, probably MT/R's or the like. Here is the topic >of "discussion"... I say the speedo will read less than the actual >speed I'm travelling with the larger tires and my neighbor says the >speedo will read more than than the actual speed. Can someone please >chime in here? Thanks. John You are right. He is wrong. -- Travis FOR SALE: '63 VW Camo Baja... $1000 *FIRM* http://cgi.ebay.com/ebaymotors/ws/eB...tem=2436447561 http://bugadventures.dyndns.org Words that soak into your ears are whispered, not yelled. :wq! |
Re: Tire Size and Speedo Reading
On 8 Oct 2003 04:21:48 -0700, john_r357@hotmail.com (John R) shared
the following: >Please help me settle a "discussion" my neighbor and I are having. As >most of you already know, the stock tires on my 2003 TJ Sport are >Goodyear GSA (I know, it stands for "Get Stuck Anywhere") 30x9.5/15. >As soon as I can justify new tires, (wifey has issues) I will be >putting on 31x10.5/15, probably MT/R's or the like. Here is the topic >of "discussion"... I say the speedo will read less than the actual >speed I'm travelling with the larger tires and my neighbor says the >speedo will read more than than the actual speed. Can someone please >chime in here? Thanks. John You are right. He is wrong. -- Travis FOR SALE: '63 VW Camo Baja... $1000 *FIRM* http://cgi.ebay.com/ebaymotors/ws/eB...tem=2436447561 http://bugadventures.dyndns.org Words that soak into your ears are whispered, not yelled. :wq! |
Re: Tire Size and Speedo Reading
On 8 Oct 2003 04:21:48 -0700, john_r357@hotmail.com (John R) shared
the following: >Please help me settle a "discussion" my neighbor and I are having. As >most of you already know, the stock tires on my 2003 TJ Sport are >Goodyear GSA (I know, it stands for "Get Stuck Anywhere") 30x9.5/15. >As soon as I can justify new tires, (wifey has issues) I will be >putting on 31x10.5/15, probably MT/R's or the like. Here is the topic >of "discussion"... I say the speedo will read less than the actual >speed I'm travelling with the larger tires and my neighbor says the >speedo will read more than than the actual speed. Can someone please >chime in here? Thanks. John Show him this link: http://www.offroaders.com/info/tech-...ng/mph-rpm.htm -- Travis FOR SALE: '63 VW Camo Baja... $1000 *FIRM* http://cgi.ebay.com/ebaymotors/ws/eB...tem=2436447561 http://bugadventures.dyndns.org Words that soak into your ears are whispered, not yelled. :wq! |
Re: Tire Size and Speedo Reading
On 8 Oct 2003 04:21:48 -0700, john_r357@hotmail.com (John R) shared
the following: >Please help me settle a "discussion" my neighbor and I are having. As >most of you already know, the stock tires on my 2003 TJ Sport are >Goodyear GSA (I know, it stands for "Get Stuck Anywhere") 30x9.5/15. >As soon as I can justify new tires, (wifey has issues) I will be >putting on 31x10.5/15, probably MT/R's or the like. Here is the topic >of "discussion"... I say the speedo will read less than the actual >speed I'm travelling with the larger tires and my neighbor says the >speedo will read more than than the actual speed. Can someone please >chime in here? Thanks. John Show him this link: http://www.offroaders.com/info/tech-...ng/mph-rpm.htm -- Travis FOR SALE: '63 VW Camo Baja... $1000 *FIRM* http://cgi.ebay.com/ebaymotors/ws/eB...tem=2436447561 http://bugadventures.dyndns.org Words that soak into your ears are whispered, not yelled. :wq! |
Re: Tire Size and Speedo Reading
On 8 Oct 2003 04:21:48 -0700, john_r357@hotmail.com (John R) shared
the following: >Please help me settle a "discussion" my neighbor and I are having. As >most of you already know, the stock tires on my 2003 TJ Sport are >Goodyear GSA (I know, it stands for "Get Stuck Anywhere") 30x9.5/15. >As soon as I can justify new tires, (wifey has issues) I will be >putting on 31x10.5/15, probably MT/R's or the like. Here is the topic >of "discussion"... I say the speedo will read less than the actual >speed I'm travelling with the larger tires and my neighbor says the >speedo will read more than than the actual speed. Can someone please >chime in here? Thanks. John Show him this link: http://www.offroaders.com/info/tech-...ng/mph-rpm.htm -- Travis FOR SALE: '63 VW Camo Baja... $1000 *FIRM* http://cgi.ebay.com/ebaymotors/ws/eB...tem=2436447561 http://bugadventures.dyndns.org Words that soak into your ears are whispered, not yelled. :wq! |
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