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+1 on the one piece, I like the salter aero but price is a bit steep. (Mind you I believe these uprights were made my a small group of enthusiasts as opposed to a large company)
Would have to agree with others here. 1 piece would be better.
However , without some data regarding how the extra downforce (data?) impacts the front I would be leary at taking it to the track. There is already a warning not to change the wing without removing the 2 plates in front of the car. If its purely for aesthetics and on the street then thats different.
How come the double decker design? Are the boot mounts painful to take off? A single piece solution would look a lot cleaner.
We designed this product to serve multiple purposes, one of which was to maintain a level of versatility and simplicity that would allow for a very quick an painless installation and removal so that owners can adjust their wing position in a matter of minutes. Whether it's swapping from daily driver to track duty - or just personal preference - the design maximizes the convenience. This design is also much more cost-effective to produce. We wanted to keep this as a sub-$500 product. Designing and producing a 1-pc solution that requires removal of the trunk deck trim and that can't be cut from flat-stock - but would instead have to be cast (including additional trim pieces) - would put this well over $1000, and would price itself right out of contention.
Originally Posted by gulf911
Would have to agree with others here. 1 piece would be better.
However , without some data regarding how the extra downforce (data?) impacts the front I would be leary at taking it to the track. There is already a warning not to change the wing without removing the 2 plates in front of the car. If its purely for aesthetics and on the street then thats different.
We worked closely with a professional race team in developing these. They performed testing at Sebring with and without the risers, and were very happy with the results. We are still waiting to get some actual quantifiable data from them, but their endorsement is enough to make me comfortable with the performance stats.
I fully appreciate that these are not for everyone - they aren't meant to be. However, we have received a lot of very positive feedback and actually sold out of our first production run of these in less than 48 hours!
There seem to be a lot of GT4 owners who would like the wing to be more aggressive, both for aesthetic and performance reasons. To my knowledge, there is only one other outfit offering something similar, but theirs is lower and much more expensive.
We designed this product to serve multiple purposes, one of which was to maintain a level of versatility and simplicity that would allow for a very quick an painless installation and removal so that owners can adjust their wing position in a matter of minutes. Whether it's swapping from daily driver to track duty - or just personal preference - the design maximizes the convenience. This design is also much more cost-effective to produce. We wanted to keep this as a sub-$500 product. Designing and producing a 1-pc solution that requires removal of the trunk deck trim and that can't be cut from flat-stock - but would instead have to be cast (including additional trim pieces) - would put this well over $1000, and would price itself right out of contention.
We worked closely with a professional race team in developing these. They performed testing at Sebring with and without the risers, and were very happy with the results. We are still waiting to get some actual quantifiable data from them, but their endorsement is enough to make me comfortable with the performance stats.
I fully appreciate that these are not for everyone - they aren't meant to be. However, we have received a lot of very positive feedback and actually sold out of our first production run of these in less than 48 hours!
There seem to be a lot of GT4 owners who would like the wing to be more aggressive, both for aesthetic and performance reasons. To my knowledge, there is only one other outfit offering something similar, but theirs is lower and much more expensive.
- Dave in Marketing
Actually I think you will find , given a choice ,virtually all if not all , would pick a single riser. Currently there is no reasonable choice.
As I am sure you can understand , Without actual data any performance improvement based on how it 'felt' at a track doesnt help. Porsche developed the current setup in their state of the art wind tunnel , taking both front and rear downforce into account. Are you saying that the additional downforce in the rear ( waiting on data) should not be compensated for in the front?
We worked closely with a professional race team in developing these.
Which one?
Actual data or it is all sales speak.
Also, it is well known that the most aggressive wing angle needs to be compensated with front aero adjustments. Seems like this would over come the front most aggressive setting.
So to me this is a pure "for looks" option. Also $495 seems a bit high for a thin piece of powder coated aluminum.
Actually I think you will find , given a choice ,virtually all if not all , would pick a single riser. Currently there is no reasonable choice.
As I am sure you can understand , Without actual data any performance improvement based on how it 'felt' at a track doesnt help. Porsche developed the current setup in their state of the art wind tunnel , taking both front and rear downforce into account. Are you saying that the additional downforce in the rear ( waiting on data) should not be compensated for in the front?
Additional downforce in the front certainly would not be a harmful upgrade, however, the team we worked with did not say that it was required. I realize it's not a perfect situation. If we had the data, we'd share it. Unfortunately, without spending $100k on wind tunnel testing and development, it's going to be impossible to get physical numbers. Bear in mind, this product is not being sold as a solution to drop your lap times 5 seconds and turn you into David Donahue. They are a subtle upgrade for those who wish to run a high wing position. If it's not for you, we can fully appreciate that.
Originally Posted by drawding
We worked closely with a professional race team in developing these.
Which one?
Actual data or it is all sales speak.
Also, it is well known that the most aggressive wing angle needs to be compensated with front aero adjustments. Seems like this would over come the front most aggressive setting.
So to me this is a pure "for looks" option. Also $495 seems a bit high for a thin piece of powder coated aluminum.
The team we worked with explicitly requested to remain anonymous. I understand that might not be the answer you're looking for, and for that I apologize. I'm not here to bend or overstate the truth. I just simply share what is presented to me. I can tell you that it is a respected team with a long history in Porsche racing, and whose judgment and opinion I trust implicitly.
These risers are precision waterjet cut and CNC contoured - including chamfered bolt holes - to provide an OEM quality fit and finish. They also include close to $80 worth of OEM Porsche hardware. They are not cheap to produce, and even so, are still hundreds less than the only other option on the market. As stated above, if that's not your cup of tea, then no harm no foul!
For those who do wish to offset the rear wing with additional front aero, I highly recommend looking into the dive planes that AJ Hartmann makes. His carbon products are top-notch and are all handmade in the U.S.
In an effort to better answer your track-related questions, I reached out to the race team directly. Here is what the owner was able to share with me:
Stability was greatly improved around 70-80mph
They found even better results from the higher wing position by adding a small Gurney flap to the wing
Porsche has two small removable blocks in the front splitter. Removing them creates additional downforce in the front and balances the car very well with the higher rear wing
In an effort to better answer your track-related questions, I reached out to the race team directly. Here is what the owner was able to share with me:
Stability was greatly improved around 70-80mph
They found even better results from the higher wing position by adding a small Gurney flap to the wing
Porsche has two small removable blocks in the front splitter. Removing them creates additional downforce in the front and balances the car very well with the higher rear wing
- Dave in Marketing
PLEASE DEMONSTRATE WHICH BLOCKS IN THE FRONT SPLITTER CAN BE REMOVED TO INCREASE FRONT DOWN FORCE
EDIT: Looks like John beat me to it in the "let me google that for you" process.
Originally Posted by kahane18
PLEASE DEMONSTRATE WHICH BLOCKS IN THE FRONT SPLITTER CAN BE REMOVED TO INCREASE FRONT DOWN FORCE
here you go Mister ALL IN CAPS SKEPTICAL masher who could do his own research also. This is a very well-known modification which is in YOUR gt4 owners manual to take the car to it's high downforce setting, which includes rollbar adjustment instructions and wing angle adjustments similar to Fabspeed's setting as part of the process. https://rennlist.com/forums/gt4/8965...ustment-3.html
I've never seen such almost blatant disdain or anger directed towards a product or Vendor who up to today, seems to have been one of the best (along with BGB) provider of upgrade info and knowledge on this forum.
EDIT: Looks like John beat me to it in the "let me google that for you" process.
here you go Mister ALL IN CAPS SKEPTICAL masher who could do his own research also. This is a very well-known modification which is in YOUR gt4 owners manual to take the car to it's high downforce setting, which includes rollbar adjustment instructions and wing angle adjustments similar to Fabspeed's setting as part of the process. https://rennlist.com/forums/gt4/8965...ustment-3.html
I've never seen such almost blatant disdain or anger directed towards a product or Vendor who up to today, seems to have been one of the best (along with BGB) provider of upgrade info and knowledge on this forum.
I don't get it.
Hey I wasn't angry at Fabspeed, in fact I met John and Dave along the most of the crew recently at a track meet in NJ, and purchased some of their products and plan to purchase more in the future. IMO they are top notch in customer satisfaction and product quality.
Just forgot to take the caps off the keyboard sheesh.....
And why do my own research, when I can get all the help here from guys like you and John?
Hey I wasn't angry at Fabspeed, in fact I met John and Dave along the most of the crew recently at a track meet in NJ, and purchased some of their products and plan to purchase more in the future. IMO they are top notch in customer satisfaction and product quality.
Just forgot to take the caps off the keyboard sheesh.....
Thanks for the help by the way..
all good. i should have just posted the pic of the blocks and provided the link without commentary. I think i got riled up by the extremely skeptical and almost "presumed guilty until proven innocent" type of attitude of previous posters. Anyway, rule #1 to defuse an issue is to not take part, and i forget rule #1
08-26-2016, 02:52 AM
masher who could do his own research also. This is a very well-known modification which is in YOUR gt4 owners manual to take the car to it's high downforce setting, which includes rollbar adjustment instructions and wing angle adjustments similar to Fabspeed's setting as part of the process. 
