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About JimB

  • Birthday 08/08/1959

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  • From
  • Porsche Club
    PCA (Porsche Club of America)
  • Present cars
    2007 997 Cup
    2002 996 cab
    1988 951 track car
  • Former cars
    2005 996 cup
    2004 996 PCA C stock racecar

JimB's Achievements


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  1. Did you hear it once or on every lap? In a straight line or at turn in? When you applied the brakes or later? Did the car handle properly? For sure from the front? Was someone riding in your trunk? Like Loren, my first guess would be sway bar but there's a lot of stuff under stress going into a corner under heavy braking.
  2. Thanks Izzy, I hope it's the fluid. Being an old farm boy from North Dakota I'd love to have a little John Deere oil in my car. Jim
  3. Hey guys, I did a search but didn't get far. Sorry if this has been covered. Last night I went to put the top up on my 2002 996 cab and nothing happened. When I hit the button the cab top warning light on the dash would flicker but that's it. No noise, no movement. I did all the normal stuff like turning the key on and off, engaging and disengaging the hand brake, opening and closing the engine cover, etc. Any ideas? Jim
  4. As I mentioned on Rennlist, I'd bet my grandmother that it's the cam timing switching. Try this. First accelerate slowly and see if it's worse. If it studders and gains rpms slowly and then catches. Second see if it varies or if it always happens at the same rpm.
  5. As my pal Billy struggles to share his misery with us I thought I would revisit the portion of this thread from last year that dealt with how many 996 are being raced/tracked. As of a couple hours ago there were 16 stock C class cars entered in the inaugural Daytona PCA club race. 9 of them are 996s. A new record. :cheers: I'm going to go out on a limb and pick a 996 to win. I've actually got one in mind... Jim
  6. What year is your car? If you have a 3.6L I would bet its a problem with the variable valve lift. I had the exact symptoms when we swaped a 3.6L into a 99 and the valves were not switching properly.
  7. Ed, You haven't been around for awhile. What have you and your car been up to? I thought you were going to club race it. JIm
  8. I loved watching the Porsches kick butt at MO but I think the death of P1 might be a little premature. First, Audi didn't have the R10 at the race. They are off preparing for Le Manns. Second, Mid-Ohio is a track that doesn't reward HP. Just look at the results of the PCA club race a couple weeks ago. The stock class enduro was won by a B car but it was followed closely by an E car that started in 50th. Next was an F car and then a C. You won't see results like that at many tracks. I wish the Porsches were going to Le Manns. Maybe next year. Jim
  9. This is a very incomplete article. It covers about 5% of what people should know about what causes understeer and oversteer. FWIW, I prefer a racecar with a little "lift-off" oversteer for rotating the car in the first half of the corner and neutral to a little understeer under power for getting out of the corner quickly without burning up your tires.
  10. You should be safe. I've heard that Hoosiers will be close and slicks will be a problem. I think this is only for a short time right? The club race is coming up in a month or so. It would be a disaster if e all had to switch tires. Jim
  11. Your car feels like it's floating because it is. The lift created by air passing under and over your car is causing lift. Remember studying how a wing works? The way to fix it is to reduce the amount of air passing under the car. You can do this by lowering the car or adding a splitter of some type or both. Either way you are right that you should not be driving that fast on the street. There are plenty of opportunities to track your car where the only person you are likely to kill is yourself. Jim
  12. A couple of years ago I found out the answer to your question first hand. Before a race two of us added oil to my 3.6L 996. About 3 laps into a 90 minute enduro I turned into a 100 mph mosquito fogger. Oddly it happened within 100 feet of where I had totaled my car in the same race a year earlier. Assuming I had blown the engine I pulled to the side and watched cars fly through the kink at Road America from the wall for the remaining 1 hour and 20 minutes of the race. When we got the car home we fired it up, cleared out the oil and it's been winning races ever since. Jim
  13. Thanks for the info guys. Phil I know what you are saying but it's certainly not beyond Porsche to add a brace or a weld here or there to stiffen things up. I have an 02 cab so I'll do a little hands on research one of these days and post the results. Thanks, Jim
  14. That looks pretty hard to duplicate. Got anything easier? Just kidding. Thanks for the info. I'll look it over tonight. Jim
  15. Hi guys, Does anyone know what exactly was done to stiffen the 996 chassis throughout it's life? I race my 1999 tub as a 2004 so any changes that were made during that time I could apply. Actually, I'm required to apply. I know thay made them stiffer but I don't know how they did it. Thanks, Jim
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