View Single Post
Old 07-20-2018, 08:13 AM   #8
tommy583
98 Arctic silver 986
 
tommy583's Avatar
 
Join Date: Jul 2011
Location: Upstate, NY
Posts: 1,441
Garage
Quote:
Originally Posted by 78F350 View Post
The chart is about the mechanical linkage, not engine power. Shaft from the engine inputs rpm1 to the transmission, transmission outputs to driveshaft at rpm2, wheel circumference rotates over asphalt at a rate of 'distance' per 'time'. Find a long down hill slope and it should work.
The chart in the back of my 2.5 owners manual has a little different chart. This chart reflects what I see when i'm driving the car. 6,500 RPM's in 3rd gear = 86 MPH GPS verified or 89 mph on the speedo.


tommy583 is offline   Reply With Quote