Just had Fabspeed GT420 Package Installed...
#17
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__________________
Porsche Performance Specialist
John@Fabspeed.com
215-618-9796
Fabspeed Motorsport USA
155 Commerce Drive Fort Washington, PA 19034
www.Fabspeed.com
Porsche Performance Specialist
John@Fabspeed.com
215-618-9796
Fabspeed Motorsport USA
155 Commerce Drive Fort Washington, PA 19034
www.Fabspeed.com
#19
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#20
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What's with all these dynos that only go to 7200 RPM? It's a glaring omission, imo.
And before anybody remarks "the power drops off after 7200 RPM so what's the point?"... well, that exactly IS THE POINT.
We all agree the top RPM ranges are weak on the stock GT4... so it would be nice to compare the full RPM range, and how these products affect the late RPM drop off of the stock vehicle, especially if it opens up the powerband at the top and let's the engine rev a bit more.
And before anybody remarks "the power drops off after 7200 RPM so what's the point?"... well, that exactly IS THE POINT.
We all agree the top RPM ranges are weak on the stock GT4... so it would be nice to compare the full RPM range, and how these products affect the late RPM drop off of the stock vehicle, especially if it opens up the powerband at the top and let's the engine rev a bit more.
![Confused](https://rennlist.com/forums/images/smilies/confused.gif)
#21
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What's with all these dynos that only go to 7200 RPM? It's a glaring omission, imo.
And before anybody remarks "the power drops off after 7200 RPM so what's the point?"... well, that exactly IS THE POINT.
We all agree the top RPM ranges are weak on the stock GT4... so it would be nice to compare the full RPM range, and how these products affect the late RPM drop off of the stock vehicle, especially if it opens up the powerband at the top and let's the engine rev a bit more.
![Confused](https://rennlist.com/forums/images/smilies/confused.gif)
And before anybody remarks "the power drops off after 7200 RPM so what's the point?"... well, that exactly IS THE POINT.
We all agree the top RPM ranges are weak on the stock GT4... so it would be nice to compare the full RPM range, and how these products affect the late RPM drop off of the stock vehicle, especially if it opens up the powerband at the top and let's the engine rev a bit more.
![Confused](https://rennlist.com/forums/images/smilies/confused.gif)
There are definitely times I'll run right to redine for a few seconds in sport plus being that it doesn't cut power and you don't get the bouncing effect.
#22
Race Director
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Originally Posted by the_rider
Looking good, Dr.G! The components look high quality. Love the exhaust tips. Judging from your initial impressions, the mods seemed to have met your expectations. It would be cool to hear the exhaust note of pre and post mods.
Just sport headers, so perfect.
Sport headers plus exhaust... Race car
#23
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981 Porsche Boxster Spyder Fabspeed Headers - YouTube
Just sport headers, so perfect.
Porsche 981 Spyder: Fabspeed Sport Headers + Valvetronic Exhaust - YouTube
Sport headers plus exhaust... Race car
Just sport headers, so perfect.
Porsche 981 Spyder: Fabspeed Sport Headers + Valvetronic Exhaust - YouTube
Sport headers plus exhaust... Race car
#24
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What's with all these dynos that only go to 7200 RPM? It's a glaring omission, imo.
And before anybody remarks "the power drops off after 7200 RPM so what's the point?"... well, that exactly IS THE POINT.
We all agree the top RPM ranges are weak on the stock GT4... so it would be nice to compare the full RPM range, and how these products affect the late RPM drop off of the stock vehicle, especially if it opens up the powerband at the top and let's the engine rev a bit more.
![Confused](https://rennlist.com/forums/images/smilies/confused.gif)
And before anybody remarks "the power drops off after 7200 RPM so what's the point?"... well, that exactly IS THE POINT.
We all agree the top RPM ranges are weak on the stock GT4... so it would be nice to compare the full RPM range, and how these products affect the late RPM drop off of the stock vehicle, especially if it opens up the powerband at the top and let's the engine rev a bit more.
![Confused](https://rennlist.com/forums/images/smilies/confused.gif)
https://rennlist.com/forums/gt4/9012...c-exhaust.html
#25
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Running a GT4 to 7600 RPM on the dyno is not going to "stress" the engine beyond specs, especially the way most of us drive them on the track.
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I for one, DO care what happens over 7000 RPM, as this could affect shift points and other strategies on track.
I am not judging you, but it strongly comes across as a cop-out or excuse or something to hide. Either way, it's a negative connotation related to the presentation of your product.
Just something to consider.
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#26
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If I get my car back in there I'll let them run it to redline, being that I sometimes do it on the road. Fair enough?
Also, notice that it's 362hp at 6148 RPM and around 358hp at 7150 RPM, where the throttle was let off - and the curve is still on an upward trend and the base line and tuned line are still diverging.
Also, notice that it's 362hp at 6148 RPM and around 358hp at 7150 RPM, where the throttle was let off - and the curve is still on an upward trend and the base line and tuned line are still diverging.
#27
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And how do "we all know" this behavior, if it's not in the dyno?
Running a GT4 to 7600 RPM on the dyno is not going to "stress" the engine beyond specs, especially the way most of us drive them on the track.
![ducking](https://rennlist.com/forums/graemlins/icon107.gif)
I for one, DO care what happens over 7000 RPM, as this could affect shift points and other strategies on track.
I am not judging you, but it strongly comes across as a cop-out or excuse or something to hide. Either way, it's a negative connotation related to the presentation of your product.
Just something to consider.
![Cheers](https://rennlist.com/forums/images/smilies/beerchug.gif)
Running a GT4 to 7600 RPM on the dyno is not going to "stress" the engine beyond specs, especially the way most of us drive them on the track.
![ducking](https://rennlist.com/forums/graemlins/icon107.gif)
I for one, DO care what happens over 7000 RPM, as this could affect shift points and other strategies on track.
I am not judging you, but it strongly comes across as a cop-out or excuse or something to hide. Either way, it's a negative connotation related to the presentation of your product.
Just something to consider.
![Cheers](https://rennlist.com/forums/images/smilies/beerchug.gif)
![ducking](https://rennlist.com/forums/graemlins/icon107.gif)
![Smilie](https://rennlist.com/forums/images/smilies/smile.gif)
I spoke with Steve and we would be happy to run your car out to redline and appreciate your willingness to let us accomplish that. You never know nowadays and we always prefer to be on the safe side with our clients' cars especially with low mileage. Would rather be called a cop out than wreckless haha.
#28
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In fact, I have a funny feeling that many pundits would back off the complaints about the GT4 engine if the damn thing would just sing in full glory up to redline, and not fall off. Fix that, and you've got something special on your hands.
But I digress, and would love to see dynos run to redline, for the sake of information. Thank you for the offer.
Eagle Scout, 1992
#29
Three Wheelin'
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For my taste, just getting the header might be the ticket. And, wonder how the Race Header would sound!! Pretty cool. Thanks again.
p.s. Why the top was up?? Seemed like a beautiful California day!
#30
Three Wheelin'
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...........
It absolutely will, although you are correct there are many variables that come into play that change the overall acoustics of the sound...cats in the headers, changing out the PSE system, combination of both, etc. For your reference here is a link just the results of Sport Headers on the GT4. There are also several 981 Sport Headers review threads on the forums as well![Smilie](https://rennlist.com/forums/images/smilies/smile.gif)
..........
It absolutely will, although you are correct there are many variables that come into play that change the overall acoustics of the sound...cats in the headers, changing out the PSE system, combination of both, etc. For your reference here is a link just the results of Sport Headers on the GT4. There are also several 981 Sport Headers review threads on the forums as well
![Smilie](https://rennlist.com/forums/images/smilies/smile.gif)
..........