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6th gear, 3K on tach = 75 MPH actual - 78 MPH displayed
5th gear, 4k on tach = 81.5 MPH actual - 84 MPH displayed
4th gear, 5k on tach = 82 MPH actual - 85 MPH displayed
Repost....
I have a GPS in the car and look at the true MPH / RPM. In sixth gear for every 2,000 RPM there is a 5 MPH change. In 5th gear there is a 4 MPH change for every 2,000 MPH. This is on my car and my GPS. Errors may exist due to operator error, tach off, GPS MPH off. But, here is what I came up with.
'01 S 6 Speed
6th Gear...............5th Gear
RPMs......MPH........RPMs.......MPH
2600......65...........2600.......53.5
2800......70...........2800.......57.5
3000......75...........3000.......61.5
3200......80...........3200.......65.5
3400......85...........3400.......69.5
3600......90...........3600.......73.5
3800......95...........3800.......77.5
4000......100..........4000.......81.5
__________________
1995 Porsche C4 Cab
2016 BMW M2, 6 Speed LBB - ED 7/2016
1997 993 Cab - Sold; 1997 993 Turbo - Sold
2001 Boxster S - Original Owner - 30K Miles -SOLD
Last edited by Chuck W.; 01-15-2015 at 01:37 PM.
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