mrfreakinwhite
NAXJA Forum User
- Location
- MASS
I tried searching first...
My wife was doing 65mph in the Oldsmobuick. I blew by her at 60 (my XJ's speedo) and beat her home by over 5 minutes on a 55 mile trip. I stopped for coffee, too. She seems to think I was doing 75, at least. In just 3 or 4 miles, her headlights were never in my mirror again.
AX-15 trans:
At 60mph (on my speedo), my rpm's are 1,800 in 5th.
At 60mph (on my speedo), my rpm's are 2,050 in 4th. (4th is 1:1, right?)
Gears are stock 3.07's.
Tires are 31" BFG MT, full tread remaining.
I'm just trying to figure out a pretty close approximation of my actual speed when my speedo says 60. I know the faster I go the worse it is.
I can't find a formula to calculate road speed, any help?
Superlift Tru Speed isn't in the budget now...
Thank you, Holiest Brethren of the Church of Jeep Tech,
Mike
My wife was doing 65mph in the Oldsmobuick. I blew by her at 60 (my XJ's speedo) and beat her home by over 5 minutes on a 55 mile trip. I stopped for coffee, too. She seems to think I was doing 75, at least. In just 3 or 4 miles, her headlights were never in my mirror again.
AX-15 trans:
At 60mph (on my speedo), my rpm's are 1,800 in 5th.
At 60mph (on my speedo), my rpm's are 2,050 in 4th. (4th is 1:1, right?)
Gears are stock 3.07's.
Tires are 31" BFG MT, full tread remaining.
I'm just trying to figure out a pretty close approximation of my actual speed when my speedo says 60. I know the faster I go the worse it is.
I can't find a formula to calculate road speed, any help?
Superlift Tru Speed isn't in the budget now...
Thank you, Holiest Brethren of the Church of Jeep Tech,
Mike