Thread: S54 Swap
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  #20  
Old 10-16-2012, 08:52 AM
JayMac JayMac is offline
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Location: Virignia
 
Join Date: Nov 2009
Posts: 789
Mein Auto: what ever starts
Ah! the great debate between fast and quick.
Have at it: http://www.bokchoys.com/differential...calculator.htm
I used info from this sie and used 6500 redline with the 3.15 versus 8000 with the 3.91.

Not sure if the math is correct and I will run it at a few different site but the car basically is the same speed. If we don't like it we change the gear set. No big deal. FYI final drive on a CaymanS is 3.88. Similar hp and this car should be much lighter. Since I figure we will spend much less time near 150 mph, I will go for quick and see how it pans out. Either way it is all part of the fun!
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