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YOUR RESEARCHOption 014/030 market penetration in 996 chassis?
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After the new member is added to your ignore list, on the right of the window locate the 'save changes' button and click that.
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I was searching around, but I'm not very good at this stuff because I'm not a member of any clubs or groups that deal with the Porsche(cept rennlist).
Wondering if anyone knows, or can find out, or has an edumacated guess as to the percent of 996 shipped with option 014, sports group? Or option 030/220?
I've seen a couple out there in our forum, but wondering about how many of all made came with these options?
Who/what is Streather? Where can I find more info?
It actually brought up another question which I've partially answered myself.
Does the 98/99/00 Mk1 C2 model have "PSM"? and the answer is no/yes/maybe. I will explain. In my recent meanderings, I've learned a little about PSM, maybe one might say just barely enough to be dangerous. PSM is the Porsche version of active traction control. It's copyrighted, and patented by Porsche, to combine a suite of controls which work in concert to perform active traction and torque vectoring controls. Verily, the 'no' answer is the most accurate - simply because Porsche decided that the C4 variant would be the flagship product, and PSM was a competitive marketing advantage compared to MB, Lexus, etc.
Moving on, PSM is made up of three elements; 1) Limited slip differential. In the 928 days that LSD system was controlled and could vary the slip from 0-85% to direct torque to the wheel that slips based on sensor inputs from the engine, and lateral yaw sensors. Thus the primitive 'torque vectoring' was applied inside the differential. In the Mk1 996, that internal differential dynamic clutching action is not present. However - option 220 in it's place there is a set of clutches which provide about 40% slip so a primitive version of torque vectoring.
But - it gets better. 2) Along with the standard LSD, Porsche offered on the 996 Mk1 option 224. This option is labeled 'ABD' for auto brake differential. the auto means that the yaw sensors, engine torque sensors, and speed sensors are all present, and will under management and control of the ABS determine which wheel is slipping, which way the turn is, and what the level of slip is occurring. Thus, it will apply braking to the wheel which is slipping ala the old type of torque vectoring once found inside the 928 differential. The difference is that the torque control is applied to the specific wheel brake, and not the limiting of the differential.
Now comes the best part. The 996 Mk1 also offers 3) option 222 which is 'ASR'. German breakdown equates to 'auto speed(engine) regulation'. That's right, even on the mech cable throttle cars, there is engine speed regulation. I don't know how it does it, maybe cutting out injector pulses, and ignition spark to cylinders, or just fuel cut off, I'm guessing but it does once again automatically regulate power applied to the trans to straighten things out. So, this is the 'yes' answer.
The 'maybe' answer is found on the dash. Mk1 996 do not have the "PSM" button which can be used to defeat PSM. Too bad... But wait! There's more! In lieu of the PSM button, we have a "TC off" button. The owners manual says; "if the TC system senses a difference in RPM between the front and rear wheels(spinning) engine power is reduced." It also provides that if there is a difference in the RPM of a driven wheel, that driven wheel can be slowed by applying braking to the overspeed wheel. Torque vectoring! (or a reasonable facsimile).
Now, I don't pretend to understand the latest and greatest PSM factors, and I'm sure the later cars have more advanced PSM stuff in it, but for all but the marketing hype, cars with 220, 222, 224 options basically have the primitive version of PSM, without it being called PSM.
That's my story, and I'm sticking too it. YMMV, don't try this at home, objects in mirror, contents have settled and may cause **** leakage.
The 99 C2 cars (like mine) can have the LSD because they were still mechanical throttle. Switching to e-gas was one thing that facilitated PSM functionality. So my car has traction control instead of PSM.
Streather: the guy that wrote "The Essential 996"
Sounds like vitaminC and I have similar cars. Just bought a '99 (had it two weeks) with 014/030. The car also has 220, 222, and 224. Fun to be back in the water cooled forums!
I'm going to teach you how to solve the problem. In the utility bar above you'll see links for 'store, user CP, FAQ, etc.' Click on the 'user CP' link. From the column on the left, under 'your profile' you'll see a link for; 'edit ignore list'. Click on that, and the ignore list will pop up. From there, you'll see a box for 'add a member to your list'. Now, click on that box, and type in "docmirror", then click 'okay'. After the new member is added to your ignore list, on the right of the window locate the 'save changes' button and click that. You're done! congrats, solves all your issues with my posts and threads.
You're welcome.
I recall reading that about the PSM, it also would drag the front brake depending on oversteer or understeer. Which is one of the reasons I said the 'no' answer was the most accurate of the three. But - it's fairly close.
Doc, since when did you start taking me seriously?
BTW, I learned all about the ignore feature with D!ck from the turbo forum. He's the only one ever to be on my list.
When I noted the lack of emoticon in your caustic reply. I also find it somewhat churlish coming from someone who's very professional existence is measured by the tonnage of paper they consume with written spew.
I suspect that there are no Mk1 C2 with actual 'PSM' as an option. We have the active traction control, but not the whole PSM package because there are no front braking that PSM has. We have torque vector for driven wheels, and speed regulation, but no front wheel auto braking.
Thank you. I''m guessing the 98s were void of PSM if the 99s were. Didn't know when e-gas started.
Wonder if there's an example out there of a 2000 C2 model with PSM option code 476?
97-99 C2s where throttle cable, thus no PSM but, if a manual transmission, they could have 220, 222, 224. Much nicer than PSM.
All 996 Mk1 C4s have PSM as standard. =>2000 Mk1 C2s PSM was an option
Porsche didn't offer the lsd between 2000-2003 but there is no reason you can't install one in any PSM car , ask Matt @ guard transmission , hundreds have done it , including me . Streather Is wrong on this point , not offered but technically possible .
You could buy a lsd from Porsche Motorsport for 5k but you couldn't order a car with it in the 2000-2003 period ( except in a gt3)
The early 996 didn't have PSM , it had a more primitive electronic traction control .
