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Tire speed gear ratio calculator #1843341
06/07/15 11:14 AM
06/07/15 11:14 AM
Joined: Apr 2004
Posts: 509
Marilla, New York
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RalleyA12 Offline OP
mopar
RalleyA12  Offline OP
mopar
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Joined: Apr 2004
Posts: 509
Marilla, New York
Just found this online calculator and thought I would pass it along. Works really great.

http://vexer.com/automotive-tools/speed-rpm-calculator

Re: Tire speed gear ratio calculator [Re: RalleyA12] #1843611
06/07/15 06:26 PM
06/07/15 06:26 PM
Joined: Jan 2003
Posts: 32,280
Grand Prairie,Texas
stumpy Offline
I Win
stumpy  Offline
I Win

Joined: Jan 2003
Posts: 32,280
Grand Prairie,Texas
Has been posted in the tech archives here for years. Tech section has a bunch of good info gathered over time by the members. up

Re: Tire speed gear ratio calculator [Re: RalleyA12] #1843619
06/07/15 06:40 PM
06/07/15 06:40 PM
Joined: Jan 2003
Posts: 27,175
So Cal
autoxcuda Offline
Too Many Posts
autoxcuda  Offline
Too Many Posts

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Posts: 27,175
So Cal
Here's a good one for comparing tire and rims specs:

http://www.rimsntires.com/specspro.jsp

Re: Tire speed gear ratio calculator [Re: autoxcuda] #1843789
06/07/15 09:47 PM
06/07/15 09:47 PM
Joined: Jan 2003
Posts: 32,280
Grand Prairie,Texas
stumpy Offline
I Win
stumpy  Offline
I Win

Joined: Jan 2003
Posts: 32,280
Grand Prairie,Texas
That one should be added to the tech archives also. up

Re: Tire speed gear ratio calculator [Re: RalleyA12] #1843808
06/07/15 09:58 PM
06/07/15 09:58 PM
Joined: Nov 2003
Posts: 35,965
Lincoln Nebraska
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RapidRobert Offline
Circle Track
RapidRobert  Offline
Circle Track
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Joined: Nov 2003
Posts: 35,965
Lincoln Nebraska
Quote:
Just found this online calculator and thought I would pass it along. Works really great.
Thank you for the info. best thing I did was follow Kunkels' advice & measure rollout then divide Pi into it for the actual dia. before that I was placing a piece of flat stock on top of a rear tire & measuring from underneath it to ground with the tire at its psi it reaches when its been ran for awhile.


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