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Author Topic: Tire size  (Read 3770 times)

capriguyJohn

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Tire size
« on: April 05, 2011, 03:56:00 PM »
was wondering if I go with a set of 16 rims for my car how far it would throw off my speedo
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Rocketman

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    • 91 BPT AWD Capri & 1991 XR2
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Tire size
« Reply #1 on: April 06, 2011, 12:02:00 AM »
It depends more on the tire than it does on the size of the wheel. Use this calculator to help determine where you'll be at:

http://www.miata.net/garage/tirecalc.html
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1.8L Turbo All Wheel Drive Capri... the "GTXR2"


blue93

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Tire size
« Reply #2 on: April 06, 2011, 12:57:00 AM »
It cost me $100 to get the speedo recalibrated on my '93 after going from 14s to 15s.  Your speed differential will vary.  In my case, it was about 3 mph difference in the 30-40 mph range and got up to about 7mph when I got to around 75.  However, I have 2 Capris and could never remember in the moment which one I was in, so I bit the bullet and had the recalibration done.

That site that Matt posted will show you the variance for each tire size/width/height.
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Mark
Stratosphere Blue \\\'93 NA 5sp
Dynamic White \\\'94 XR2
Camellia Red Pearl \\\'10 Subaru Forester 5sp

capriguyJohn

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Tire size
« Reply #3 on: April 06, 2011, 08:12:00 PM »
On the inside of my door it calls for 15 inch rims since it the xr2 but I have 14,s on it could my speedo be off cause of that it says on the door 195/50 r15 jw thanks
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capriguyJohn

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Tire size
« Reply #4 on: April 09, 2011, 05:36:00 PM »
So I am going to go with a set of 15 rims found online play it safe . Thanks for all the replys again! They are having a car show down in Hamlin Pa anyone goin?
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D22A

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Tire size
« Reply #5 on: April 09, 2011, 05:58:00 PM »
i ran 225/40/17s and speedo was fine   :D   on my 3000Gt Vr4 cam with 245/45/17 and i went with 245/40/18s with kosei sniper 18X9 rims and nothing changed
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i do not drive capri enymore but i am still here and not going anywhere  
1996 MT 3000GT LS
1993 CAPRI n/a

Rocketman

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Tire size
« Reply #6 on: April 09, 2011, 06:20:00 PM »
Details on the show? I dont usually take my car to local events, just the big capri meets  
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1.8L Turbo All Wheel Drive Capri... the "GTXR2"


capriguyJohn

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Tire size
« Reply #7 on: April 09, 2011, 07:18:00 PM »
It's a local restaurant in Hamlin I'll find out when I go to work tomm. I've never actually owned anything I could even put in a show lol. But I figured it would be a first with my Capri . Can't wait for the northeast Capri gathering . If this weather lasts may be able to paint it soon .
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