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Real world experience with Carerra S Powerkit?

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Old 11-08-2013, 12:36 AM
  #91  
smuoio
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Originally Posted by jlanka
Jack, I got 5% off on a custom order for my 2014 C4S with X51 and a bunch of other stuff.

https://rennlist.com/forums/991/7568...uild-info.html

Might have been able to get more if I pressed...
Mind if I go "off thread" and ask how you like the Instruments in White - easy enough read easily. Really like your build...
Old 11-08-2013, 10:43 AM
  #92  
jlanka
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Originally Posted by smuoio
Mind if I go "off thread" and ask how you like the Instruments in White - easy enough read easily. Really like your build...
Instruments in white are great, no problem reading anything. And the coolest thing is, at night they're black.
Old 11-08-2013, 12:10 PM
  #93  
John 996 TT Cab
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The Torque on a 991S with X51 is essentially the same as normal S engine. HP is up but not torque. However, the torque curve is very much smoothed out above 6000 RPM though.
Old 11-08-2013, 01:05 PM
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X51 official info:

http://www.porsche.com/uk/aboutporsc...&id=2012-06-21
Old 11-09-2013, 08:13 PM
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9114s
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Originally Posted by kosmo
^ why not a turbo?
I wanted a "low key" appearance car without spoiler. The turbo is above $200K with couple of options, I saved +$50K.
Looking at Power/Torque curve compared to the GT3, the X51 is much better up to 6000RPM and holding very well up to 7600RPM. I also added the std 991s starting at 6500RPM. The X51 has also better low end torque up to 4000RPM and a smooth curve compare to the std 991s.
Where is the cut-off rpm rev limiter set on the X51 kit?
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Old 11-13-2013, 12:23 AM
  #96  
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Does the rev limiter is set at 7800 RPM also with the X51?
Old 11-22-2013, 08:05 PM
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Bump...
Old 11-22-2013, 09:20 PM
  #98  
LexVan
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Originally Posted by 9114s
Does the rev limiter is set at 7800 RPM also with the X51?
Yes. Rev limiter and redline are the same.
Old 11-23-2013, 10:43 AM
  #99  
Drifting
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Originally Posted by 9114s
I wanted a "low key" appearance car without spoiler. The turbo is above $200K with couple of options, I saved +$50K.
Looking at Power/Torque curve compared to the GT3, the X51 is much better up to 6000RPM and holding very well up to 7600RPM. I also added the std 991s starting at 6500RPM. The X51 has also better low end torque up to 4000RPM and a smooth curve compare to the std 991s.
Where is the cut-off rpm rev limiter set on the X51 kit?
why two lines for each car, GT3, X51, 991S? Is one of the colors the 997 version?
Old 11-23-2013, 10:50 AM
  #100  
General Jack
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Originally Posted by Drifting
why two lines for each car, GT3, X51, 991S? Is one of the colors the 997 version?
HP and TQ line for each of the 3 cars, the GT3, 991S and the 991S with X51.
Old 11-23-2013, 08:45 PM
  #101  
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For the 991S, why not just install the Fabspeed X-pipe race exhaust (25 HP gain) for $2k, $8k on a set of Penske or Moton shocks, and $4k on a set of R6's on lightweight OZ wheels? This 991S would beat both the X51 car and GT3... Just saying!
Old 11-23-2013, 08:58 PM
  #102  
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Originally Posted by Hudyman
For the 991S, why not just install the Fabspeed X-pipe race exhaust (25 HP gain) for $2k, $8k on a set of Penske or Moton shocks, and $4k on a set of R6's on lightweight OZ wheels? This 991S would beat both the X51 car and GT3... Just saying!
Well, then you've spent $14k on parts not covered by warranty. And adding exhaust and light weight wheels wouldn't make the car faster than an X51 IMO. Aftermarket exhausts add HP (and I question the 25 in that case) but tend to kill low end torque, adding an exhaust isn't going to outperform better cylinder heads and intake.
Old 11-23-2013, 09:33 PM
  #103  
reidry
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Originally Posted by 9114s
I wanted a "low key" appearance car without spoiler. The turbo is above $200K with couple of options, I saved +$50K.
Looking at Power/Torque curve compared to the GT3, the X51 is much better up to 6000RPM and holding very well up to 7600RPM. I also added the std 991s starting at 6500RPM. The X51 has also better low end torque up to 4000RPM and a smooth curve compare to the std 991s.
Where is the cut-off rpm rev limiter set on the X51 kit?
I appreciate the graph, good information. I looked hard at an Aqua C4S with X51, but for me the GT3 won me over. For me it was just the right package.

When comparing torque you've got to factor in the gearbox ratios and final drive ratio. The GT3 gearing is quite a bit different than the 991S and the Turbo cars.

Ryan
Old 11-23-2013, 09:55 PM
  #104  
chuck911
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Originally Posted by reidry
I appreciate the graph, good information. I looked hard at an Aqua C4S with X51, but for me the GT3 won me over. For me it was just the right package.

When comparing torque you've got to factor in the gearbox ratios and final drive ratio. The GT3 gearing is quite a bit different than the 991S and the Turbo cars.

Ryan
Yes with the GT3 all 7 gears are drive ratios. The 991, et al, are 7th gear overdrive. The lower ratios give the GT3 a lot more acceleration in every gear.
Old 11-23-2013, 10:12 PM
  #105  
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Yes and on the tracks that you shift into 7th at full throttle that will be really useful.....oh wait, yeah... Sorry.


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