engine rpm vs mph

[LNeat]

Just wondering what kind of RPM's members are seeing with their trucks with different combinations of transmissions and rear ends at highway speeds.



I am running 2000 RPM at 70 MPH

2003 with 3. 73 rear and 6 speed manual.

 

[gravedigger]

I'm running 2000 RPM at 73 MPH. 03 3. 73 rear and 48re transmission. Also running 315 tires.

 

[klenger]

Here is an Excel spreadsheet with all the numbers.



http://www.klenger.net/dodge/general-reference/gear-speed-calculator.xls

 

[LNeat]

very nice spreadsheet. Thanks

 

[Dean Upson]

Originally posted by klenger

Here is an Excel spreadsheet with all the numbers.



http://www.klenger.net/dodge/general-reference/gear-speed-calculator.xls

Thanks, Ken.



Dean

 

[Big Rig]

RPM'S

At 60 mph I am turning exactily 1650 rpms.



Big Rig

 

[WM-300]

Golly, I hate computers

Tried to run the spread sheet. My new 2 gig HP computer reports in a error message that the formula is to complex. Ha Ha I hate computers.



WM-300

 

[Spooled-up]

I have the 6spd, 4:10 gears and at 70mph I turn about 2300rpm with 265 tires.