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Holy moly that must be a blast to drive....fairly flat torque curve with no major dips in power delivery - although that 6700-7250 power dip is a little strange
 

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Holy moly that must be a blast to drive....fairly flat torque curve with no major dips in power delivery - although that 6700-7250 power dip is a little strange
That is the old faithful "Porsche dip" which occurs on all flat-6 Porsche motors, even the blessed 4.0L. It is at this point that the motor really need to breathe and a fair amount of this would be gone if the car was going down the road at speed. Contributing to the severity of the "Porsche Dip" are the stock mufflers, catalytic converters and stock engine mapping. Changing out these components for race versions would get rid of almost all of that dip, especially the tuning.

The numbers were impressive and given how strong the car felt on the test drive, we had high expectations but they were exceeded vastly by the torque that was produced, which was as good or better than most DFI X51 race setups we have dyno'd.
 

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It is an absolute blast to drive. I now understand why Porsche doesn't put this motor in the 981s. Because no one would buy 911s anymore! Except those that NEED a back seat. I'm very happy with it. John and his guys did an excellent job.
 

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So you picked up about 130 horsepower and over 100 foot-pounds of torque? That's great.
 
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