Hey DWRAT:
Both of your numbers cannot be correct. If 2,000 RPM = 75, I calculate 2100 RPMs to be 78.75. Regardless, you are running a very tall top gear. My top gear is 2.54 (overall, 3.73 w 0.68 OD) and I turn 1,900 RPMs at 60 MPH.
Bob
Last edited by Bob In Ct; 10-05-2009 at 08:15 AM..
Hey DWRAT:
Both of your numbers cannot be correct. I calculate 2100 RPMs to be 78.75. Regardless, you are running a very tall top gear. My top gear is 2.54 (overall, 3.73 w 0.68 OD) and I turn 1,900 RPMs at 60 MPH.
Bob
I agree my numbers don't calculate accurately at all but my general rule for speed is:
1900 = 70
2000 = 75
2100 = 80
That is more accurate then my speed which is off by about 8% or so.
__________________
FFR MK1---Sold
Superformance #884 --- Sold
No more Furds.
I don't know how anybody gets those kind of numbers. Regardless I stop after 120 Miles and fill up because I don't trust the damn gage. I reset it each time I fill up. The gage is all over the place when you turn hard to port or hard to starboard
It could be because of the Airstream I am pulling but I bet on a good day I am running 14 tops.
kind of numbers. Regardless I stop after 120 Miles and fill up because I don't trust the damn gage. I reset it each time I fill up. The gage is all over the place when you turn hard to port or hard to starboard
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