RE: Tire Size Conversion
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

RE: Tire Size Conversion



I thought the speedometer pinions were marked with color: gray, green, 
blue, purple, orange or brown? 

I don't know who sells these now. Imperial Services used to, but 
apparently they are hard to get hold of nowadays.

Gary H. 
 
Bill Maurits wrote:
> 
> OK...now how do I tell which ratio adapter I have? A 1.250 or an
> 0.800? The parts book says that the .8 should only be on a 904 and a
> .8 should only be on a 727, but I want to make sure for myself that I
> do have a .8 unit. Is it marked on it somewhere?
> 
> And who is the best source for these things these days again?
> 
> Thanks
> 
> Bill M
> 65 Coronet 500 'vert
> 
> 
> 
> On 5/18/07, Gary H.   wrote:
> >
> > For your 1965 (or 1962s to 1965's)
> >
> > A. Divide 63.36 by the car's tire circumference. The circumference is
> > tire diameter times 3.14. (e.g.,a 26 inch tall tire has 81.64
> > circumference so 63.36/81.64 = .776
> >
> > B. Multiply that result by 8 (8 x .776 = 6.208)
> >
> > C. Multiply that result by your axle ratio (e.g., 3.23 x 6.208 = 20.05)
> >
> > The result is the number of teeth needed on your car's speedometer
> > pinion, or 20 in the example above.
> >
> > Gary H.
> >
> > Bill wrote:
> > ...
> > > I'm trying to find info on how to convert modern tire sizes
> > > (215/75/14) to the old sizes (D75-14). I ultimately want to figure out
> > > what is the correct speedo gear is for my current setup....
> > 


----
Please address private mail -- mail of interest to only one person -- directly to that person.  I.e., send parts/car transactions and negotiations as well as other personal messages only to the intended recipient, not to the Clubhouse public address. This practice will protect your privacy, reduce the total volume of mail and fine tune the content signal to Mopar topic.  Thanks!

'62 to '65 Mopar Clubhouse Discussion Guidelines:
http://www.1962to1965mopar.ornocar.org/mletiq.html. 












Home Back to the Home of the Forward Look Network


Copyright © The Forward Look Network. All rights reserved.

Opinions expressed in posts reflect the views of their respective authors.
This site contains affiliate links for which we may be compensated.