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x5rap

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Everything posted by x5rap

  1. x5rap
    37K miles on a '99 996 tip coupe with a base US suspension, i.e., no M030 sport option. Early build date in 2/98. I replaced the orig shocks with OEM Bilsteins and I went with Loren's slightly more aggressive rear camber setting at -1.4 degrees. :thumbup: What a huge improvement! No bobbing up and down (all the shocks were leaking) and no darting around under hard cornering (now aligned properly). This is the way a Porsche is supposed to drive. Maybe in 20K or 30K miles, I'll change sway bars, shocks and springs and go for the sport set up, but after 20 years without a Porsche, I now have a car that is so darn fun to drive. I'm kinda giddy... OK, enough gushing. I run tire pressures at 36 psi front and 44 rear. This is spec as I understand it. I have Dunlop Sport SP 9090's, 225/40-18 Fr and 265/35-18 Rr (new). I check and set pressures when cold, usually weekly. Any suggestions about pressures besides, "don't be so fanatical"? I'll be autocrossing at the end of May and I've got a banzai run planned from OC to San Luis Obispo in June.
  2. x5rap
    A set of replacement Bilstein sport shocks for a '99 996 is about $US860 for the shocks and depending upon who installs and aligns, about another approximately $400 or so. If the dealer does it, count on $300 each for the shocks, 4.5 hrs at their labor rate just to install the shocks plus a chunk for the alignment, maybe $250. I can buy OEM Bilstein shocks online, get them installed at a shop who'll then take the car to another shop where it will get an alignment performed on a Bosch rack, all for less than $1,300 total.
  3. x5rap
    I have a '99 tip coupe (Feb-98 build date) with 36K miles and no M030 option. The shocks with their seals, etc. are original and now seven years old. The car is 1K miles and 2 months new to me. It is "darty" in higher speed turns and it tends to bob up and down when it's hard into turns on anything but the smoothest road surface. New shocks are on order. Shocks don't last the lifetime of a car. I don't care what Champion says. Seals in the shocks go. Some will drive a Porsche like it is a sedan, and they'll never notice worn shocks but I concluded that seven years is enough on a set of shocks on a car I like to drive hard any clean chance I get. I'll let you know how it changes the handling.
  4. x5rap
    Loren, Again many thanks. x5rap SoCal
  5. x5rap
    Loren, 1st, thanks for the site. What a great resource.:notworthy: 2nd, my US '99 996 coupe tip has option codes 222, 224 and 234, among others. 222 is Traction Control. I've seen 224 described as Active Brake Diff and yet you call it Limited Slip Diff. They're different I think, in that ABD is an e-version of LSD...maybe. Is 234 related? I can't find that option code anywhere. I'd love to gain a better understanding of how TC, ABD and LSD work together, and if my car, one month new to me, has all three. Thanks, x5rap
  6. x5rap
    I checked out the option decoder on rennlist.com and 014 is not there. I have a few option codes that I can't sort out either, 222 and 234 on my '99 996 coupe tip. If you find a decoder that shows up 014, let me know, maybe mine will be there too. Where there's life, there's hope...
  7. x5rap
    No matter what, I can't imagine going more than 12 months without and oil change, even if only 5K miles.
  8. x5rap
    Thanks for the suggestions. Rears are brand new 265/35-18 Dunlop SP9090's. The wear pattern on the replaced rears was dead perfect and evenly spread across the tires, so I doubt it's alignment but... I'll get the car in the air and have someone take a close look at the suspension. It's great to have a Porsche again! Happy motoring!
  9. x5rap
    G'day. I'm new to the board and I just got my first Porsche after 20 years. My last was a '69 912, ex-E Production. My current one's a '99 996 coupe tip (Feb-98 build date) without the M030 sport suspension. The car has 35K miles on it. I'm really pleased with the car but the rear end "bobs" around a bit on entry into higher speed sweepers. It feels "uncertain". While it seems to track fine, it takes a bit to settle in and it's a little unnerving. Does any one have experience with this sensation? Is there a reasonable modification to settle down the back end? Rigid sway bar links are available that replace the rubber-mounted links. In a street application, I'm concerned about the longevity of the rigid link with its spherical bearings or monoballs(?). In a race car application where spherical bearings are very commonly used, they're constantly checked. That won't be the case with a street car. Is my experience with this "uncertain" feeling at entry a common one? Tire pressures on the 18" Turbo Twists are at spec. Does anyone have a suggestion besides the solid sway bar links? What about noise transmission without the rubber mounts? TIA for your help.
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