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Cayman ModificationsDiscuss modifications to your Cayman
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I just picked up my CaymanS after having AASCO light weight flywheel (14.5 lbs lighter then stock), Sachs clutch, QUAFFE TBD, Fabspeed maxflow muffler, and BMC airfilter installed.
I had previously de-snorked and lowered the car (H&R springs -- and I have PASM and have not had any problems with lower springs).
Initial impressions: This is how Porsche should have delivered the car. Throttle response with the LW flywheel at below 2K RPM is not noticably different then stock -- probably due to the eGas. After 4K there is a very big difference in throttle response -- more like a sport motorcycle. very very nice. Sitting at idle in neutral there is gear box rattle sound -- like with RSR and similar, but not as extreme, as with my GT3 Cup car.
The off-throttle sound from the Fabspeed exhaust is really cool -- that low gurgle sound. Exhaust tone overall is aggressive, but not too loud for me -- perhaps a little boomy just below 3K RPM. I'm very pleased with it.
The QUAFFE TBD- my biggst beef with the stock configuration was the open dif. The TBD make the car noticable quicker from a standing start -- both tires working for you. I could feel the on-again-off-again kind of action of the TBD when I tried to break the rear loose around the corner pulling into my parking lot. I'm going to head up to Summit Point Raceway tomorrow and do a few laps on the little track to get a more complete feel for this.
So far, I'm really pleased with what I've done. Thanks to those of you in the forum for sharing your experiences and sources (and group buy on the Fabspeed exhaust).
-g
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
LSD - Limited Slip Differential
A limited slip differential (LSD) is a modified or derived type of differential gear arrangement that allows for some difference in rotational velocity of the output shafts, but does not allow the difference in speed to increase beyond a preset amount. In an automobile, such limited slip differentials are sometimes used in place of a standard differential, where they convey certain dynamic advantages, at the expense of greater complexity.
The main advantage of a limited slip differential is found by considering the case of a standard (or "open") differential where one wheel has no contact with the ground at all. In such a case, the contacting wheel will remain stationary, and the non-contacting wheel will rotate freely– the torque transmitted will be equal at both wheels, but will not exceed the threshold of torque needed to move the vehicle, thus the vehicle will remain stationary. In everyday use on typical roads, such a situation is very unlikely, and so a normal differential suffices. For more demanding use however, such as driving off-road, or for high performance vehicles, such a state of affairs is undesirable, and the LSD can be employed to deal with it. By limiting the velocity difference between a pair of driven wheels, useful torque can be transmitted as long as there is some friction available on at least one of the wheels.
To see the installation of a LSD style unit Click Here -> Article Forthcoming Stay Tuned
Fabspeed
Fabspeed manufactures the world’s highest quality “MAXFLO” T304 Stainless Steel exhaust systems, carbon fiber style high performance air intake systems and more for Porsche, Ferrari, Maserati and Lamborghini cars.
__________________
Greg Merril, CEO InterAction Laboratories
'Making the digital world a more physically active place' www.ia-labs.com
where did you get the lightweight flywheel from? which fabspeed exhust? have you done the ECU?
Fabspeed
Fabspeed manufactures the world’s highest quality “MAXFLO” T304 Stainless Steel exhaust systems, carbon fiber style high performance air intake systems and more for Porsche, Ferrari, Maserati and Lamborghini cars.
__________________
Alex
08 cayman s #207
PCA club race stock "H"
Dang, Greg! Now I have to get the LWF -- I was going to go with the FVD LWF and sport clutch (Sachs), maybe your setup is better. Send me the details. Did the Quaife swap a few mos. ago -- very nice mod but just a holding action until the Guard clutch-plate LSD arrives. Fabspeed-- uhm, let's just say I'm happy with my full Milltek (headers, etc.). Very quiet at cruising speed. Now if I could just get to the track -- maybe the Ferrari Club Oct. event... Rgds...
LSD - Limited Slip Differential
A limited slip differential (LSD) is a modified or derived type of differential gear arrangement that allows for some difference in rotational velocity of the output shafts, but does not allow the difference in speed to increase beyond a preset amount. In an automobile, such limited slip differentials are sometimes used in place of a standard differential, where they convey certain dynamic advantages, at the expense of greater complexity.
The main advantage of a limited slip differential is found by considering the case of a standard (or "open") differential where one wheel has no contact with the ground at all. In such a case, the contacting wheel will remain stationary, and the non-contacting wheel will rotate freely– the torque transmitted will be equal at both wheels, but will not exceed the threshold of torque needed to move the vehicle, thus the vehicle will remain stationary. In everyday use on typical roads, such a situation is very unlikely, and so a normal differential suffices. For more demanding use however, such as driving off-road, or for high performance vehicles, such a state of affairs is undesirable, and the LSD can be employed to deal with it. By limiting the velocity difference between a pair of driven wheels, useful torque can be transmitted as long as there is some friction available on at least one of the wheels.
To see the installation of a LSD style unit Click Here -> Article Forthcoming Stay Tuned
Fabspeed
Fabspeed manufactures the world’s highest quality “MAXFLO” T304 Stainless Steel exhaust systems, carbon fiber style high performance air intake systems and more for Porsche, Ferrari, Maserati and Lamborghini cars.
__________________ LEE in D.C.
'06 RS project
http://www.Momentum-Motorports.com
No ECU. Perhaps someone else can address this, but the ECUs I was considering all played with the eGas program -- to give the illusion of more throttle response by re-mapping the gas pedal. I dont like the SPORT mode gas pedal map - so i didnt want that.
Fabspeed
Fabspeed manufactures the world’s highest quality “MAXFLO” T304 Stainless Steel exhaust systems, carbon fiber style high performance air intake systems and more for Porsche, Ferrari, Maserati and Lamborghini cars.
__________________
Greg Merril, CEO InterAction Laboratories
'Making the digital world a more physically active place' www.ia-labs.com
Hey Lee! Great to hear from the 'Mod king' himself. When are you getting your carbon fiber windshield? ;-)
Come on up to the Club Race OCt 5-6. I'm running the 911SC.
I would bet that the FVD flywheel is very similar to the AASCO unit. If you can find out how much the FVD weighs we can compare. Geoff et al at ASG did my install and they weighed everything.
__________________
Greg Merril, CEO InterAction Laboratories
'Making the digital world a more physically active place' www.ia-labs.com
I have had an Aasco LWF on my car for about 9000km without any problems. With the Snap flash software for 100 octane fuel it feels and sounds even better. Even with pump gas the performance is great.
With the LWF and custom exhaust the sound is almost as nice as a Ferrari F430.
Randy can be phoned at 714 758 8500. I paid $890 for my flywheel.
No ECU. Perhaps someone else can address this, but the ECUs I was considering all played with the eGas program -- to give the illusion of more throttle response by re-mapping the gas pedal. I dont like the SPORT mode gas pedal map - so i didnt want that.
There are other companies that offer a program with or with out Sport Mode such as Softronic or also known as Snap Flash. Softronic is also working with Fabspeed for their tuning requirements in a matched exhaust and tuned file.
The AASCO flywheels work great in track and street modified cars.
Softronic
SOFTRONIC produces DME programming and hardware to suit your companies specifications. Our current software suite is a complex matched set of programs housed in a Flash Manager and Flash Client. This software is matched with two cables, an End User and Master Cable. The SOFTRONIC proprietary flashing solution outperforms all other combinations in speed and accuracy including the factory Porsche equipment.
Fabspeed
Fabspeed manufactures the world’s highest quality “MAXFLO” T304 Stainless Steel exhaust systems, carbon fiber style high performance air intake systems and more for Porsche, Ferrari, Maserati and Lamborghini cars.
