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Cayman ModificationsDiscuss modifications to your Cayman
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My requirements are to get the wheels out as far as possible, get the "filled out" wheel well look (without lowering a PASM car -- springs are just too low for most roads), but NOT to mess up the handling and not require any fender mods.
The 17mm would obviously not alter handling negatively, however it might be too far out in the front -- possible overhang and fender rub???
So, I am leaning toward 6/15...6 would be good in the front -- no mods required...my main concern now is what it would do to the handling. This car will not be tracked much.
Any experience floating around???
PASM - Porsche Active Suspension Management
This active damping system offers continuous adjustment of individual damping forces based on current road conditions and driving style.
The driver can choose from two setup modes, ‘Normal’ and ‘Sport’, using a separate ‘damper’ button on the center console. ‘Normal’ mode is designed for general road driving and circuits with uneven tarmac. ‘Sport’ mode is intended for smoother track surfaces, where the harder settings help eliminate pitch and roll.
In either mode, PASM continuously evaluates the current conditions while automatically selecting the corresponding damper rates from the respective set of mapped values.
A range of sensors are used to monitor the movement of the body under acceleration, braking and cornering maneuvers, as well as on poor road surfaces. The PASM control unit then evaluates this data and modifies the damping force on each individual wheel in accordance with the selected mode. The result is a significant reduction in body movement as well as a better grip on the road.
For example: if ‘Sport’ mode is selected, the suspension is automatically set to a harder damper rating. If the quality of the track surface falls below a certain threshold, the system immediately changes to a softer rating within the ‘Sport’ setup range. When the quality of the tarmac improves once more, PASM automatically returns to the original, harder rating.
Need more information about PASM? Click this link: FAQ for PASM
Lots of thoughts on the subject if you do a search. My opinion is to leave all spacers off since they don't add anything other than some eye candy. The large ones will throw up debris and ruin your finish since they push the tires out past the fenders and mixing sizes is a handling no-no from the PCA experts.
Most folks go for the "look" however and will advise you differently so it will boil down to your preferences. Do you want performance or pretty? Or both?
PCA - Porsche Club Of America
The Porsche Club of America - http://www.pca.org
CaymanClub.Net members who are also PCA members should request access to the PCA Member only forum by filling in their PCA Member ID# into their profile and then requesting a group membership addition, both of which can be done in the User Control Panel (User CP)
I put 5mm all around - it makes the tires flush without throwing debris all over the side of the car. As Santa Fe says, others will have other opinions, but I think any more than the 5mm to 6mm range will effect the handling adversely, if that's in fact something that matters to you more than looks.
i had 15mm spacers all the way around and didnt have any trouble with handling. if you look around you can find pics of my wheels with the spacers. they are more for looks than anything else, as SF mentioned, and any thing more than that and your panels are going to take a beating. i have my stock wheels on now without spacers and i actually notice that the car seems to hug just a little less than it did when my spacers are on....might be my imagination though..anyway...my 2cents.
Also be sure and read the post where Porsche attributed premature wear to one members Cayman's rotors to non-factory spacers/wheel bolts. Be sure and have and use a good torque wrench if you do this yourself.
I just installed 7mm in the front and 15mm in the rear.
I tryed 15 mm on the front and rear and it is too much in the front. I would not go more than 7mm in the front. You might be able to go with 17 mm in the rear, but another member tryed 18 mm in the rear and said the were to much.
__________________
DISCLAIMER: I'm not an engineer, I just play one on the internet.
BBI Under-Drive Pulley | BBI Roll-Bar
BBI Brake cooling package | GT3 Lower control arms
GT3 Front Sway bar | Tarett Rear Sway bar
Tarett Drop links Front & Rear | Tarett Rear Toe arms
Quaife TBD | Nitto NT-01s | PASM Springs
Santa Fe-
I read that post several weeks ago concerning the rotors. I dont get it -- how do spacers affect a rotors operation? What was the final outcome of that dispute?
Jet, Who really knows. The aftermarket spacers could have been out of spec (round), the wheel bolts could have not been torqued properly or come loose, or had different weights or??? But this dealer apparently chose to blame the non-Porsche parts. I think the owner finally got them to back off but if you look for it again it was updated by the owner. Porsche only sells 5mm spacers for a reason you know.
Santa Fe-
I read that post several weeks ago concerning the rotors. I dont get it -- how do spacers affect a rotors operation? What was the final outcome of that dispute?
Jet
Presumably moving the wheel outboard increases the moment arm (not sure that's the correct term-been a while since physics 101) which stresses the rotor/pad interface to create some degree of wobble. Talking microns here. Substantially magnified if the wheel and or studs aren't torqued properly. Metals do flex, especially when then get hot.
My CS was ordered by the dealer with this option - 5mm all the way around. I believe the factory charge is around $500 or a bit less. Not sure I would have ordered this option but since I bought the CS from their showroom for a very compelling price - this was not an issue.
My CS was ordered by the dealer with this option - 5mm all the way around. I believe the factory charge is around $500 or a bit less. Not sure I would have ordered this option but since I bought the CS from their showroom for a very compelling price - this was not an issue.
MJB
How many 5mm spacers would you like for $20.00 each for a good Christmas deal?
Boothe Design - Not clear to me why you are making me an offer. As I previously posted, my car has this factory option. I did not order the car, it was a showroom purchase. Lastly, I would not have ordered this option. It is not clear to me that there is a performance benefit; specially for around $500.
Lastly, with all due respect, is it me or is your post somewhat of a smart a$$ offer?
