[DeTomaso] Speed Calculation

[Asa Jay Laughton]

Rule of thumb, drive with the flow of traffic, do no drive in the far 
left (fast) lane.

Since I have 25" tires on my Pantera, which is two inches too short, and 
using a GPS to get a close estimate of actual speed, I've found I can be 
off anywhere between 5 mph and 10 mph.  Instead of relying on rpm or the 
speedometer to regulate my speed, I simply drop into the middle (of 
three) lane, settle in behind another vehicle and cruise.  I'm passing 
traffic to the right of me, and being passed by traffic on the left.  I 
couldn't get any better exposure than that.

:)

Asa Jay

Asa Jay Laughton, MSgt, USAFR, Retired
&  Shelley Marie
Spokane, WA
******************************
http://www.racingagainstautism.com
http://www.teampanteraracing.com


On 7/9/2010 21:51, Myron Zadony wrote:
> I have my speedometer removed&  sent out to Palo Alto Speedometer for repair.  I am going on a short trip of about 130mi all Interstate highways I need to know what RPM will equal to the MPH.  I have a 1974 L pretty much stock.  Rear tires are:  Pirelli P7 285/50 VR 15.  I need to know what 60MPH is, 65MPH is in RPM's ??  Any help would be appriciated.  Thanks, Myron (the other guy in Cleveland) #6928 74 L.
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