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APEX | Porsche Track Wheel Development

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Old 12-06-2017, 06:29 PM
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APEX | Porsche Track Wheel Development




As you might have seen in our recent survey thread, APEX is working with the Porsche community in an effort to produce track wheels that offer unprecedented value. We have received 800+ survey responses from fellow community members offering feedback and fitment requests. The 996 chassis represented approximately 23% of the surveys submitted, so we’d love to hear more from this community. If you haven’t chimed in yet, you can still provide valuable feedback by taking our Porsche wheel survey here.

Before we can move forward, we need to fine tune certain fitment specifications for the 996 chassis. So, we’re seeking your expertise and need detailed feedback on the specs we believe should be produced.

Below is a list of all widths and offsets we’re looking to create for a variety of Porsche chassis in the first round of production. Fitments specific to the 996 chassis can be seen listed below. In accordance with the survey results, these will be produced in 18” sizes first and 19” thereafter. Survey data and community feedback will directly determine what will be produced, and when. Please note that both the SM-10 and EC-7 designs are being reviewed for feasibility. In your comment, please include tire sizes, tire model, and alignment settings if you have a change request so we can track developing trends.

Proposed Wheel Specifications

Front:
18x8.5” ET50
18x8.5” ET42
18x9” ET48
18x9.5” ET42

Rear:
18x10” ET60
18x10” ET36
18x10.5” ET40
18x11” ET62
18x11” ET38
18x11.5” ET63
18x11.5” ET42
18x12” ET65
18x12” ET45
18x12.5” ET46

Proposed Fitments for 996

Fronts:
F: 18x8.5” ET50 with 225/40-18, 235/40-18, or 245/40-18
F: 18x8.5” ET42 with 225/40-18, 235/40-18, or 245/40-18
F: 18x9” ET48 with 235/40-18, 245/40-18, 255/35-18
F: 18x9.5” ET42 with 245/40-18, 255/35-18, 265/35-18

Narrow body rear:
R: 18x11” ET62 with 285/35-18 or 295/30-18
R: 18x11.5” ET63 with 295/30-18 or 315/30-18
R: 18x12” ET65 with 315/30-18

Wide body rear:
R: 18x11” ET38 with 295/30-18 or 315/30-18
R: 11.5” ET42 with 295/30-18 or 315/30-18
R: 18x12” ET45 with 315/30-18 or 335/30-18
R: 18x12.5” ET46 with 315/30-18 or 335/30-18

On-Car Image Gallery

I’d like to invite you to view new on-car imagery which help depict concavity profiles, finishes, and designs. The first round of images shown are the SM-10 design, however, the EC-7 design will follow.
If you would like to view all of our high-res versions, please click the embedded images.

996 GT2 - 18" SM-10 wheels
Front: Profile 1 (least concave)
Rear: Profile 3 (most concave)

Race silver -


Anthracite -


Satin black -



996 GT3 - 18" SM-10 wheels
Front: Profile 1 (least concave)
Rear: Profile 2 (medium concave)

Race silver -


Anthracite -


Satin black -


996 GT3 - 18" SM-10 wheels
Front: Profile 1 (least concave)
Rear: Profile 2 (medium concave)

Race silver -


Anthracite -


Satin black -

​​​​​​​
997 GT3RS - 19" SM-10 wheels
Front: Profile 1 (least concave)
Rear: Profile 3 (most concave)

Race silver -


Anthracite -


Satin black -


997 GT3 - 19" SM-10
Front: Profile 1 (least concave)
Rear: Profile 3 (most concave)

Race silver -


Anthracite -


Satin black -


981 Cayman GTS - 18" SM-10
Front: Profile 1 (least concave)
Rear: Profile 2 (medium concave)

Race silver -


Anthracite -


Satin black -


987 Cayman R - 18" SM-10 wheels
Front: Profile 1 (least concave)
Rear: Profile 2 (medium concave)

Race silver -


Anthracite -


Satin black -


Over the course of the next few months, I’ll be posting pre-order details, availability updates, brake diagrams, more visuals, etc.

Please revisit this thread frequently and feel free to reach out with any further questions!
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Last edited by APEXRaceParts; 01-02-2018 at 05:12 PM.
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Old 12-09-2017, 11:33 AM
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My 996 4S DD/Street/Track set up is 0.5 Toe Front, 2.5 Toe Rear with 1.4 Camber Front and 2 Camber rear with 235/40/18 & 295/30/18 or 235/35/19 & 295-305/30/19

So I'm okay with 18x8.5 and 18x11 wheels mentioned above

FYI there is no 305/30/18 Tire other than a Hooiser Wets, you should take that off your list to make things simpler

Last edited by Zookie; 12-09-2017 at 11:37 AM.
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Old 12-11-2017, 12:46 PM
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Quote:
Originally Posted by Zookie View Post
My 996 4S DD/Street/Track set up is 0.5 Toe Front, 2.5 Toe Rear with 1.4 Camber Front and 2 Camber rear with 235/40/18 & 295/30/18 or 235/35/19 & 295-305/30/19

So I'm okay with 18x8.5 and 18x11 wheels mentioned above

FYI there is no 305/30/18 Tire other than a Hooiser Wets, you should take that off your list to make things simpler
Thank you for sharing! What are your thoughts on the listed offsets? I have omitted that rear tire size. I knew the 305 option would be seldom used, but wanted to include in the off-chance that someone wanted to run that width.
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Old 12-13-2017, 11:25 AM
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Quote:
Originally Posted by APEXRaceParts View Post
Thank you for sharing! What are your thoughts on the listed offsets? I have omitted that rear tire size. I knew the 305 option would be seldom used, but wanted to include in the off-chance that someone wanted to run that width.
_________________________

As we make progress on engineering, please continue to share your thoughts on the wheel specifications listed above!
I'm no master of Offsets, my car is super low and I have issues ruining 19x11 ET35 with 305/30/19 and 295/30/19 rubs under full compression with the above Suspension Specs on PSS9's

as for my track set up OEM WB GT3 Wheels 18x8 ET50 and 18x11 ET45 with 235/295 Trofeo's and this is Lovely
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Old 12-15-2017, 06:05 PM
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Quote:
Originally Posted by Zookie View Post
I'm no master of Offsets, my car is super low and I have issues ruining 19x11 ET35 with 305/30/19 and 295/30/19 rubs under full compression with the above Suspension Specs on PSS9's

as for my track set up OEM WB GT3 Wheels 18x8 ET50 and 18x11 ET45 with 235/295 Trofeo's and this is Lovely
Thanks, Zookie! All fantastic info to mull over. I appreciate you providing this detailed insight and sharing your experience.

What are your impressions of the Trofeo R's?

Cheers!
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Old 12-19-2017, 01:52 PM
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Here we have a rendering showing the 18" SM-10 in our three finishes against a Racing Yellow Cayman GTS. The front wheels are profile 1 concavity - the least amount of concave. The rear wheels are profile 2 concavity - medium amount of concave.

Satin black -



Anthracite -



Race Silver -



Please reach out with any questions!
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Old 12-19-2017, 02:59 PM
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Quote:
Originally Posted by APEXRaceParts View Post
What are your impressions of the Trofeo R's?
I Use them as my Daily Driving Tires in the Summer

With my Alignment I have managed to get 17,000km on the rear and well over 25,000km on them on Street Driving
Been Using them as my DD Tires since 2013, very confident in the rain with those Trofeo's

Better in the Rain than Cups and r888's

I put about 25-30k a year on my car

Last edited by Zookie; 12-19-2017 at 03:02 PM.
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Old 12-20-2017, 12:54 PM
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Quote:
Originally Posted by Zookie View Post
I Use them as my Daily Driving Tires in the Summer

With my Alignment I have managed to get 17,000km on the rear and well over 25,000km on them on Street Driving
Been Using them as my DD Tires since 2013, very confident in the rain with those Trofeo's

Better in the Rain than Cups and r888's

I put about 25-30k a year on my car
With your mildly aggressive alignment, that's an amazing amount of miles for a 60TW tire that comes with 5-6/32nds new. From my experience, R888 can be downright scary in the rain, so it's great to hear that there's another quality dual duty option.

Keep enjoying your car in good health -- which will hopefully be on APEX's come spring!
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Old 12-27-2017, 02:06 PM
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I hope you all had a joyous holiday season with friends and family.

As we inch closer to production, please continue to share your thoughts here and view our new imagery below!

Here we have a 997 GT3 equipped with APEX SM-10 in our three finishes. The front concavity is profile 1 and rear is profile 3.

Race silver -


Anthracite -


Satin black -
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Old 01-02-2018, 04:58 PM
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Happy new year to you all!

I hope 2018 brings you health, happiness, prosperity... and APEX wheels this spring!

Here we have a beautiful basalt black 996 GT3 on 18" SM-10 in our three finishes. Similarly to the rest, these front wheels are concavity profile 1 (least concave). The rear wheels are concavity profile 2 (medium concave).

Race silver -


Anthracite -


Satin black -
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Old 01-12-2018, 12:03 PM
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To answer the numerous people asking for concavity profile clarification, here’s a general overview of how they’re presented and produced for each specific application.

We offer our Porsche-specific APEX SM-10 and EC-7 in two or three different concavity profiles. Pending design and final engineering/strength optimization, the wheels will vary in concavity depth from profile one to three; one being the least concave, three being the most concave. Typically, the level of concavity is dependent on the width and offset of the wheel. The wider the wheel and lower the offset, the more concave. Whereas the skinnier the wheel and higher the offset, the less concave. While the amount of concavity may differ, some wide(r) and low(er) offset wheel specifications have a deeper “pocket” or center pad where the studs/lug nuts attach to the hub.

The varying concavity profiles in the SM-10 and EC-7 ensure that spoke curvature and brake clearance is never compromised due to width or offset changes in the wheel. The SM-10 and EC-7 are of the few 18" VIA/JWL certified wheels on the market that can clear both an aftermarket and OEM 380mm rotor 6-piston brake kit.




We are now making final tweaks in the engineering phase, prior to launching our initial pre-order/Group Buy next month. We’ll continue to update the community through the different phases of production, and will continue to release on-car photography to give enthusiasts a better idea of how some of these proposed wheel designs visually appear on specific chassis. Stay tuned for updates and solidified ETAs!

Please let me know if you have any further comments, questions, or fitment change requests.
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Old Yesterday, 04:18 PM
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As we progress into the final stages of engineering and initial stages of production, please feel free to reach out with any questions or comments.

Our pre-order group buy is going live in approximately one month. I will update with a solidified date and further details shortly.

Thanks, all!
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