<VV> LM tire diameter

[BobHelt at aol.com]

In a message dated 4/21/2008 7:43:03 AM US Mountain Standard Time,  
airvair at earthlink.net writes:

If you  look on the LM speedo info tag (on the back of the cluster) you'll
see that  the speedo is rated at 825 revolutions per mile. That figures out
to be  24.44 inches of rolling diameter. DISREGARD TIRE SIZE (and what
others  might say), BUT the 24.44 rolling diameter is what you should  look
for.

-Mark



Well, of course you are correct, Mark. But the 1966-69 Corvairs all used  
tires rated at  840 revs per mile. The speedo with 825 revs per mile  was 
designed to let the speedo read high for psychological reasons.
Regards,
Bob Helt



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