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Old Jul 10, 2007 | 04:54 PM
  #1  
pszikla's Avatar
pszikla
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From: Montreal, Quebec, Canada
Smile new member

hello everyone!
After 25 years of dreaming, I finally did it and purchased a '99 Carrera c2 Cab, ocean blue.
For the last 4 weeks since it arrived, everyone says that I have this non stop silly grin on my face!
I knew that I would be happy, but seriously.......I can't wait to wake up each morning so I can drive the car!
Brought the car in from California and the previous owner had modified it with headers and a cold air intake (very clean solid installation). So sound is amazing when you accelerate hard and yet very quiet when cruising so it doesn't wear on the ears.
I do have a question that maybe someone can comment on.........when I accelerate at half throttle, the acceleration is smooth and quick right up to the redline. However, if I "mash" it, in 3rd gear and up, it seems to "bog down" between 4 and 5000 rpm and then picks up again and revs smoothly to the redline.
I won't say that it's a "misfire" but rather the feeling is either too little, or too much air or fuel in that rpm range.
I'm wondering if the effect of the headers/air intake need to be compensated by a change to the programming in the computer, or something else?
Any comments/experience on this would be great.
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Old Jul 10, 2007 | 05:23 PM
  #2  
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zicoramone
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From: Planet GT3
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Welcome. That was a long dream...we all understand very well what you are feeling congratulations on the car.
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Old Jul 10, 2007 | 05:47 PM
  #3  
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Riad
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From: Nashville, TN
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Kudos on the 996 and becoming a member before post #1... I was the same way when my 2001 came in... like a kid at Christmas... we are very fortunate people, let's not forget that.
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Old Jul 10, 2007 | 08:08 PM
  #4  
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Congratulations on your new car, you will find that most here have the same passion! I can't help with the bogging down, but I am sure someone here can help. I suggest that you post some pics of your car and list some options before the pic police (aka Tim ) get to you!
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Old Jul 10, 2007 | 08:14 PM
  #5  
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Irksome
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From: San Diego, CA
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*EDIT* - Variocam kicks in 1000 rpm higher, around 5500, not 4500. So I'm not sure what your issue is. My dynos all show a nice consistent curve from 2000-5500, then a HP sag from 5500-5800, then a steeper curve to 6400 where it flattens out to redline. This is all done in a straight increasing run, so you'll likely see differences as you are shifting and such.

I have dyno charts of my car on multiple dynos on multiple pulls, and you can see the effect on the charts.

Last edited by Irksome; Jul 11, 2007 at 11:54 AM.
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Old Jul 10, 2007 | 08:19 PM
  #6  
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TheSpeedDemon
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From: Oakley, California
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Welcome...can't wait to see pics of it and other mods
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Old Jul 10, 2007 | 08:56 PM
  #7  
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Wellardmac
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From: Philadelphia, PA
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Welcome!

I know what you mean about the sound - I have modified intakes/headers/exhausts and it makes a mean growl when you put your foot down. Don't worry, the grinning and the checking out the car in the garage will wear off.... in around 6 months.
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Old Jul 10, 2007 | 09:09 PM
  #8  
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Originally Posted by Wellardmac
Welcome!
Don't worry, the grinning and the checking out the car in the garage will wear off.... in around 6 months.
You mean I have another 2 months of going out to the garage in amazement still
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Old Jul 10, 2007 | 10:01 PM
  #9  
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Swede_Matt
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From: Bay Area, California
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Welcome and congratulations to your new car. Would love to see some pics.

Originally Posted by TheSpeedDemon
You mean I have another 2 months of going out to the garage in amazement still
I'm on month 3 of ownership and I still get hypnotized every time I go out in the garage. The car has been in the shop for RMS leak since Thursday last week (had some other stuff done at the same time) and I really miss her already. Can't wait to pick her up tomorrow.
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Old Jul 10, 2007 | 10:39 PM
  #10  
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arr0gant
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From: Saint Louis.
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Welcome to the greatest 996 forum in history!!!
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Old Jul 10, 2007 | 10:51 PM
  #11  
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redridge
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As far as the Bogging down, I find it more effective to squeeze the gas rather than stopping on it. It just respond better that way... JMO
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Old Jul 10, 2007 | 11:15 PM
  #12  
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michael.s.under
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Welcome, lets get some posts so we can all eye fu@% her........
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Old Jul 10, 2007 | 11:22 PM
  #13  
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TheSpeedDemon
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From: Oakley, California
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Originally Posted by michael.s.under
Welcome, lets get some posts so we can all eye fu@% her........
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Old Jul 10, 2007 | 11:28 PM
  #14  
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Wellardmac
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From: Philadelphia, PA
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...taken literally, that does not bring a pretty image to mind.
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Old Jul 10, 2007 | 11:44 PM
  #15  
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JBRipps
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From: New City, New York
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WELCOME ABOARD MR. RENNLIST MEMBER. You will love your car! Guys...did the '99 have variocam?

J
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