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Cayman Tires & WheelsDiscussion of Tires, Wheels, Suspension, etc.
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I wanted to post some questions for the benefits of those intersted in your VS8 wheels.
1. What is the final rear width that you have decided on (I prefer 10.5 or 11 to stay with an N spec tire 295/30).
2. I know you biuld your wheels to certification standards but I understand that testing is not completed yet, will you stand by your product in case of manufacturing flaw and replace faulty products? I know that misuse cannot be covered.
3. You stated 60 day for delivery but would like an additional 30 days leeway. Will you honor a refund if a total of 90 days are passed?
4. How do you want to take the deposit? Payal ok?
I wanted to post some questions for the benefits of those intersted in your VS8 wheels.
1. What is the final rear width that you have decided on (I prefer 10.5 or 11 to stay with an N spec tire 295/30).
2. I know you biuld your wheels to certification standards but I understand that testing is not completed yet, will you stand by your product in case of manufacturing flaw and replace faulty products? I know that misuse cannot be covered.
3. You stated 60 day for delivery but would like an additional 30 days leeway. Will you honor a refund if a total of 90 days are passed?
4. How do you want to take the deposit? Payal ok?
Thank you for your answers in advance.
I have had a lot of problems loading the site lately so I haven't been able to update the thread as much.
1. We prefer a 10" setup since it`ll increase rear track and will not induce understeer compared to a larger rear, however, if the majority prefer a 10.5" we can do it as well.
2. Our wheels are DOT SAE J2530 compliant and are tested against JWL/VIA standards. We have not had any wheel cracked in the past 3 years out of over 1,000 wheels. In the event a wheel cracks, it is considered a manufacturing flaw and we`ll replace the product.
3. If the total manufacturing production takes longer than 120 days, we`ll refund the total amount paid. We cannot guarantee a 90 day production with a refund since 90 days is the typical production lead time.
4. The deposits are sent via wire transfer. We`ll provide all the details with an invoice this week.
Thank you!
Carlos
JWL
JWL
Many may have noticed a marking on wheels with a visible logo “JWL”. Japanese wheels must have a "JWL" logo on the wheel and "JWL" (Japan Light Wheel Alloy) is a compilation of standards defined by the Japanese Government to ensure the vehicle's safety for aluminum road wheels. Every wheel put to market must be tested to meet JWL standards before a wheel can be put out to market in Japan. These standards are generally accepted worldwide as acceptable for most road conditions. That is why you will see these marks on European and other Asian country wheels.
JWL TESTS:
Cornering Fatigue Test (Drum Endurance Test)
The purpose of this test is for checking wheel rim strength and durability. Place a wheel assembly with tire on test equipment. Radial stress is then added to simulate vehicle weight.
Test run 500,000 cycles
After 500,000 cycles inspect for cracks, deformation and any nut loosening.
Radial Load Fatigue Test (Rotary Bending Test)
JWL pass criteria: 100,000 cycles
The purpose of this test is for checking durability of the wheel disc. The spokes and the hub are the first point of weight distribution from the vehicle and spoke strength is gauged by this test.
Place a wheel on testing equipment and by adding bending stress to center of disc –
Test run 100,000 cycles
After 100,000 cycles, inspect for cracks, deformation and any nut loosening.
13 Degree Impact Test
JWL pass criteria: 594 kg
The main purpose of test is for checking strength between rim and disc cross section. The “joint” or the area where the spoke and the rim meet is an important structural area that is subject to great stress. The horizontal weight of the rim and the vertical stress of the spokes meet at this joint and proper structural stability is crucial for a proper wheel.
The wheel assembly is placed with tire tilted 13 degrees from horizontal plane on testing equipment.
A preset weight is dropped on the outer sidewall of tire, thus giving impact to the wheel/tire. Then inspect for cracks, deformation and air leak.
This test is very important for the recent trend of a larger/wider wheel with lower profile tire combination, because there is less air volume than OE wheel/tire and more stress to inner rim section. This test simulates actual usage condition such as hitting corner curb or objects from side.
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I vote 10" so I can maintain a 265 rear. Both the Conti's approve a 10" and the PS2's approve a 10.5" (Although I think it will be too stretched).
The added weight of a 295 rear is not worth it IMO. Does anyone know the actual weight difference between a 265 and 295?
Update: I found the information on tirerack for 19's.
PS2 265 is 25 lbs and the 295 is 28 lbs
Good points. The flipside is that the wider tires would give the Cayman a more aggressive stance. Here's how 11" wide wheels (Strosek) look on the Cayman.
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2008 Porsche Boxster - X1 Arctic Silver Metallic, V9 Black Top, P77 Leather Sport Seats, 342 Heated Front Seats, AT Black Full Leather, 403 19" Carrera S Wheels, 475 Porsche Active Suspension Management (PASM), 435 Sport Steering Wheel, XSC Porsche Crest in Headrest, 490 Sound Package Plus, 551 Porsche Windstop (Deflector), 584 Storage Box
For those participating in this Group Buy please forward your full name, address and email for final details. We haven't been able to post on CC.net for a couple of days but Im sure all the issues seem to be fixed now.
Carlos
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Do you have this prototype in miramar? Is it possible to come by and see it in person? The pictures make the inner lip look a little fugly and I'm sure that's not the case with all the work you guys have put into these.
Thank you,
chris.
The inside of the wheel looks unfinished, like it just came off the cnc( which it might have) and the edges are sharp. The outside of the spokes have a nice chamfer but the area on the inside of the "redesigned" lip is sharp, the edges of the holes for the lugbolts is sharp, and as someone else asked....Why the little holes between the lug holes?
These are just questions I have to ask. Nice looking wheel with everything else.
The inside of the wheel looks unfinished, like it just came off the cnc( which it might have) and the edges are sharp. The outside of the spokes have a nice chamfer but the area on the inside of the "redesigned" lip is sharp, the edges of the holes for the lugbolts is sharp, and as someone else asked....Why the little holes between the lug holes?
These are just questions I have to ask. Nice looking wheel with everything else.
This is a wheel fresh of the CNC that is way the inside is unfinished.
The area inside of the wheel is sharp also.
Carlos
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