| Author | Topic |
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Location:
Kita-Ku, Sapporo, Japan
Registered:
January 2003
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Re: forced inductin 'vs' NA capacity
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Thu, 12 February 2004 12:13
 
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Nark, your missing the point 
| Quote: |
You're ignoring the fact that with a BOV, if you shift fast enough, you're on full boost.
Plus with high enough revs, in my experience at least, you're on full boost as soon as you touch the accelerator.
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i'm talking about maybe 10 millisecond intervals here...
thats the kind of time it take for the drivetrain slack to be taken up, and thats also the kind of time in which shock loading occurs.
when you shift fast with a BOV, you hit the accelerator, you don't have full boost instantly. it may feel like it, but with a 700Nm turbo motor, it's going to take maybe a few hundred milliseconds at least for the airflow, and thus torque to build up again. basically you have to "pump the engine up again" with the turbo pressure.
those couple of hundred milliseconds are a long time regarding shock loading of drivetrain.
the only way to prove or disprove this is to take Norbies car (or another high power turbo) and Blakes car onto a dyno and measure torque vs time in millisecond increments. go to peak torque rpm.
floor it, until peak torque is made, then:
snap throttle shut,
snap throttle open.
and hope like hell the gearbox survives
then look at the resulting torque vs time graph.
that is truly the only way to settle the 'soft torque' question
i contest that the gradient of torque vs time of the NA car will be steeper than the turbo car.
if this was proven to be so, then the turbo car has longer for drivetrain slack to be taken up and then the torque is applied 'gently' to the preloaded drivetrain.
anyhoo, i'm sick of posting about this..
"it's all about the measuring"
and heresay is getting us nowhere
hmm Draven.. | Quote: |
I love the feeling of driving around at 20km/hr in 2ns with no boost, flooring it, and *feeling* the boost kick in. That's why turbo lag doesn't worry me - I love the feeling.
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thats my point. you can _feel_ the boost kicking in, however small the lag time is.
with an SC motor, you DO have the same response and drivetrain harshness as NA, but with turbo you don't...
sure norbies car spins wheels in any gear, but gear teeth can take huge loads when loaded gently... same with many things.. but whack them together and they will break.
IT'S ALL ABOUT THE MEASURING 
Cya, Stewart
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| | Subject | Poster | Date |
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forced inductin 'vs' NA capacity
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V8_MA61 | Mon, 09 February 2004 09:54 |
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Re: Strength of W58 gearbox
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Norbie | Mon, 09 February 2004 12:17 |
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Re: Strength of W58 gearbox
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V8_MA61 | Mon, 09 February 2004 12:31 |
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Re: Strength of W58 gearbox
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Norbie | Mon, 09 February 2004 12:42 |
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Re: Strength of W58 gearbox
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V8_MA61 | Mon, 09 February 2004 12:47 |
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Re: Strength of W58 gearbox
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justcallmefrank | Mon, 09 February 2004 12:50 |
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Re: Strength of W58 gearbox
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V8_MA61 | Mon, 09 February 2004 12:55 |
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Re: Strength of W58 gearbox
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justcallmefrank | Mon, 09 February 2004 12:58 |
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Re: Strength of W58 gearbox
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V8_MA61 | Mon, 09 February 2004 13:00 |
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Re: Strength of W58 gearbox
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Norbie | Mon, 09 February 2004 13:05 |
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Re: Strength of W58 gearbox
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V8_MA61 | Mon, 09 February 2004 13:13 |
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Re: Strength of W58 gearbox
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justcallmefrank | Mon, 09 February 2004 13:15 |
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Re: Strength of W58 gearbox
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ed_ma61 | Mon, 09 February 2004 13:24 |
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Re: Strength of W58 gearbox
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V8_MA61 | Mon, 09 February 2004 13:17 |
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Re: Strength of W58 gearbox
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ed_ma61 | Mon, 09 February 2004 13:21 |
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Re: Strength of W58 gearbox
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V8_MA61 | Mon, 09 February 2004 13:27 |
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Re: Strength of W58 gearbox
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Norbie | Mon, 09 February 2004 13:27 |
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Re: Strength of W58 gearbox
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V8_MA61 | Mon, 09 February 2004 13:28 |
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Re: Strength of W58 gearbox
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justcallmefrank | Mon, 09 February 2004 13:31 |
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Re: Strength of W58 gearbox
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V8_MA61 | Mon, 09 February 2004 13:33 |
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Re: forced inductin 'vs' NA capacity
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justcallmefrank | Mon, 09 February 2004 13:49 |
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Re: forced inductin 'vs' NA capacity
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V8_MA61 | Mon, 09 February 2004 13:51 |
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Re: forced inductin 'vs' NA capacity
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justcallmefrank | Mon, 09 February 2004 13:56 |
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Re: forced inductin 'vs' NA capacity
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oldcorollas | Mon, 09 February 2004 14:03 |
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Re: forced inductin 'vs' NA capacity
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Norbie | Mon, 09 February 2004 14:09 |
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Re: forced inductin 'vs' NA capacity
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7M-Brisbane | Mon, 09 February 2004 13:56 |
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Re: forced inductin 'vs' NA capacity
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V8_MA61 | Mon, 09 February 2004 14:01 |
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Re: forced inductin 'vs' NA capacity
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thechuckster | Mon, 09 February 2004 14:11 |
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Re: forced inductin 'vs' NA capacity
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ed_ma61 | Mon, 09 February 2004 13:56 |
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Re: forced inductin 'vs' NA capacity
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justcallmefrank | Mon, 09 February 2004 13:57 |
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Re: forced inductin 'vs' NA capacity
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justcallmefrank | Mon, 09 February 2004 13:58 |
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Re: forced inductin 'vs' NA capacity
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7M-Brisbane | Mon, 09 February 2004 14:02 |
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Re: forced inductin 'vs' NA capacity
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Norbie | Mon, 09 February 2004 14:05 |
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Re: forced inductin 'vs' NA capacity
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oldcorollas | Mon, 09 February 2004 14:13 |
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Re: forced inductin 'vs' NA capacity
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V8_MA61 | Mon, 09 February 2004 14:09 |
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Re: forced inductin 'vs' NA capacity
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ed_ma61 | Mon, 09 February 2004 14:12 |
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Re: forced inductin 'vs' NA capacity
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oldcorollas | Mon, 09 February 2004 14:26 |
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Re: forced inductin 'vs' NA capacity
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justcallmefrank | Mon, 09 February 2004 14:14 |
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Re: forced inductin 'vs' NA capacity
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ed_ma61 | Mon, 09 February 2004 14:20 |
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Re: forced inductin 'vs' NA capacity
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justcallmefrank | Mon, 09 February 2004 14:26 |
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Re: forced inductin 'vs' NA capacity
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justcallmefrank | Mon, 09 February 2004 14:21 |
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Re: forced inductin 'vs' NA capacity
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oldcorollas | Mon, 09 February 2004 14:34 |
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Re: forced inductin 'vs' NA capacity
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ed_ma61 | Mon, 09 February 2004 14:38 |
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Re: forced inductin 'vs' NA capacity
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V8_MA61 | Mon, 09 February 2004 14:24 |
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Re: forced inductin 'vs' NA capacity
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justcallmefrank | Mon, 09 February 2004 14:29 |
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Re: forced inductin 'vs' NA capacity
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oldcorollas | Mon, 09 February 2004 14:38 |
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Re: forced inductin 'vs' NA capacity
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justcallmefrank | Mon, 09 February 2004 14:42 |
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Re: forced inductin 'vs' NA capacity
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thechuckster | Mon, 09 February 2004 14:46 |
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Re: forced inductin 'vs' NA capacity
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7M-Brisbane | Mon, 09 February 2004 14:36 |
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Re: forced inductin 'vs' NA capacity
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oldcorollas | Mon, 09 February 2004 14:43 |
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Re: forced inductin 'vs' NA capacity
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oldcorollas | Mon, 09 February 2004 14:49 |
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Re: forced inductin 'vs' NA capacity
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V8_MA61 | Tue, 10 February 2004 08:11 |
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Re: forced inductin 'vs' NA capacity
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Chris Davey | Wed, 11 February 2004 03:17 |
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Re: forced inductin 'vs' NA capacity
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justcallmefrank | Mon, 09 February 2004 14:39 |
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Re: forced inductin 'vs' NA capacity
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ed_ma61 | Mon, 09 February 2004 14:43 |
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Re: forced inductin 'vs' NA capacity
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justcallmefrank | Mon, 09 February 2004 14:46 |
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Re: forced inductin 'vs' NA capacity
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thechuckster | Mon, 09 February 2004 14:53 |
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Re: forced inductin 'vs' NA capacity
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Norbie | Tue, 10 February 2004 02:10 |
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Re: forced inductin 'vs' NA capacity
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ed_ma61 | Tue, 10 February 2004 02:17 |
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Re: forced inductin 'vs' NA capacity
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Norbie | Tue, 10 February 2004 04:19 |
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Re: forced inductin 'vs' NA capacity
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Nark | Tue, 10 February 2004 11:31 |
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Re: forced inductin 'vs' NA capacity
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justcallmefrank | Mon, 09 February 2004 14:44 |
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Re: forced inductin 'vs' NA capacity
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justcallmefrank | Mon, 09 February 2004 14:54 |
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Re: forced inductin 'vs' NA capacity
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thechuckster | Mon, 09 February 2004 14:57 |
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Re: forced inductin 'vs' NA capacity
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justcallmefrank | Mon, 09 February 2004 14:58 |
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Re: forced inductin 'vs' NA capacity
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RWDboy | Tue, 10 February 2004 03:25 |
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Re: forced inductin 'vs' NA capacity
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V8_MA61 | Tue, 10 February 2004 08:13 |
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Re: forced inductin 'vs' NA capacity
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Skip | Tue, 10 February 2004 05:13 |
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Re: forced inductin 'vs' NA capacity
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biased99 | Tue, 10 February 2004 09:34 |
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Re: forced inductin 'vs' NA capacity
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draven | Tue, 10 February 2004 08:47 |
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Re: forced inductin 'vs' NA capacity
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Skip | Tue, 10 February 2004 09:05 |
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Re: forced inductin 'vs' NA capacity
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ed_ma61 | Tue, 10 February 2004 10:07 |
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Re: forced inductin 'vs' NA capacity
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biased99 | Tue, 10 February 2004 11:42 |
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Re: forced inductin 'vs' NA capacity
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Skip | Tue, 10 February 2004 23:26 |
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Re: forced inductin 'vs' NA capacity
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V8_MA61 | Tue, 10 February 2004 10:21 |
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Re: forced inductin 'vs' NA capacity
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T APLUS 22 | Tue, 10 February 2004 11:39 |
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Re: forced inductin 'vs' NA capacity
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Skip | Tue, 10 February 2004 23:31 |
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Re: forced inductin 'vs' NA capacity
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V8_MA61 | Tue, 10 February 2004 11:47 |
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Re: forced inductin 'vs' NA capacity
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CLG | Tue, 10 February 2004 13:16 |
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Re: forced inductin 'vs' NA capacity
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Dabbid | Tue, 10 February 2004 11:57 |
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Re: forced inductin 'vs' NA capacity
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Nark | Tue, 10 February 2004 12:10 |
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Re: forced inductin 'vs' NA capacity
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7M-Brisbane | Tue, 10 February 2004 11:59 |
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Re: forced inductin 'vs' NA capacity
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V8_MA61 | Tue, 10 February 2004 12:02 |
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Re: forced inductin 'vs' NA capacity
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V8_MA61 | Tue, 10 February 2004 12:12 |
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Re: forced inductin 'vs' NA capacity
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Nark | Tue, 10 February 2004 12:17 |
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Re: forced inductin 'vs' NA capacity
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Dabbid | Tue, 10 February 2004 12:27 |
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Re: forced inductin 'vs' NA capacity
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V8_MA61 | Tue, 10 February 2004 12:22 |
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Re: forced inductin 'vs' NA capacity
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Nark | Tue, 10 February 2004 12:35 |
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Re: forced inductin 'vs' NA capacity
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ed_ma61 | Tue, 10 February 2004 21:46 |
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Re: forced inductin 'vs' NA capacity
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V8_MA61 | Tue, 10 February 2004 12:32 |
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Re: forced inductin 'vs' NA capacity
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V8_MA61 | Tue, 10 February 2004 12:38 |
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Re: forced inductin 'vs' NA capacity
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Nark | Tue, 10 February 2004 12:49 |
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Re: forced inductin 'vs' NA capacity
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Norbie | Tue, 10 February 2004 13:19 |
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Re: forced inductin 'vs' NA capacity
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RWDboy | Tue, 10 February 2004 13:44 |
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Re: forced inductin 'vs' NA capacity
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rob_RA40 | Tue, 10 February 2004 21:17 |
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Re: forced inductin 'vs' NA capacity
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Jag7799 | Tue, 10 February 2004 23:06 |
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Re: forced inductin 'vs' NA capacity
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Jag7799 | Tue, 10 February 2004 23:08 |
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Re: forced inductin 'vs' NA capacity
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rob_RA40 | Wed, 11 February 2004 04:00 |
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Re: forced inductin 'vs' NA capacity
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justcallmefrank | Wed, 11 February 2004 04:17 |
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Re: forced inductin 'vs' NA capacity
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Chris Davey | Wed, 11 February 2004 06:23 |
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Re: forced inductin 'vs' NA capacity
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Skip | Wed, 11 February 2004 08:54 |
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Re: forced inductin 'vs' NA capacity
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CLG | Wed, 11 February 2004 09:04 |
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Re: forced inductin 'vs' NA capacity
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V8_MA61 | Wed, 11 February 2004 09:04 |
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Re: forced inductin 'vs' NA capacity
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justcallmefrank | Wed, 11 February 2004 09:14 |
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Re: forced inductin 'vs' NA capacity
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V8_MA61 | Wed, 11 February 2004 09:45 |
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Re: forced inductin 'vs' NA capacity
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shinybluesteel | Wed, 11 February 2004 09:57 |
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Re: forced inductin 'vs' NA capacity
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justcallmefrank | Wed, 11 February 2004 10:00 |
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Re: forced inductin 'vs' NA capacity
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Nark | Wed, 11 February 2004 10:27 |
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Re: forced inductin 'vs' NA capacity
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V8_MA61 | Wed, 11 February 2004 09:06 |
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Re: forced inductin 'vs' NA capacity
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T APLUS 22 | Wed, 11 February 2004 09:40 |
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Re: forced inductin 'vs' NA capacity
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V8_MA61 | Wed, 11 February 2004 09:59 |
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Re: forced inductin 'vs' NA capacity
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V8_MA61 | Wed, 11 February 2004 10:34 |
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Re: forced inductin 'vs' NA capacity
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draven | Wed, 11 February 2004 10:36 |
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Re: forced inductin 'vs' NA capacity
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oldcorollas | Wed, 11 February 2004 10:52 |
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Re: forced inductin 'vs' NA capacity
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draven | Wed, 11 February 2004 10:54 |
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Re: forced inductin 'vs' NA capacity
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shinybluesteel | Wed, 11 February 2004 11:02 |
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Re: forced inductin 'vs' NA capacity
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Norbie | Thu, 12 February 2004 00:25 |
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Re: forced inductin 'vs' NA capacity
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oldcorollas | Thu, 12 February 2004 06:21 |
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Re: forced inductin 'vs' NA capacity
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Nark | Thu, 12 February 2004 08:41 |
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Re: forced inductin 'vs' NA capacity
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oldcorollas | Thu, 12 February 2004 12:13 |
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Re: forced inductin 'vs' NA capacity
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Norbie | Fri, 13 February 2004 02:33 |
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Re: forced inductin 'vs' NA capacity
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Nark | Wed, 11 February 2004 11:43 |
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Re: forced inductin 'vs' NA capacity
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V8_MA61 | Wed, 11 February 2004 10:58 |
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Re: forced inductin 'vs' NA capacity
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ed_ma61 | Wed, 11 February 2004 12:18 |
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Re: forced inductin 'vs' NA capacity
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Jag7799 | Wed, 11 February 2004 12:36 |
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Re: forced inductin 'vs' NA capacity
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Dabbid | Wed, 11 February 2004 20:45 |
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Re: forced inductin 'vs' NA capacity
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Skip | Wed, 11 February 2004 23:40 |
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Re: forced inductin 'vs' NA capacity
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ed_ma61 | Thu, 12 February 2004 03:08 |
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Re: forced inductin 'vs' NA capacity
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Skip | Thu, 12 February 2004 05:03 |
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Re: forced inductin 'vs' NA capacity
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Jag7799 | Wed, 11 February 2004 22:50 |
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Re: forced inductin 'vs' NA capacity
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V8_MA61 | Thu, 12 February 2004 02:55 |
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Re: forced inductin 'vs' NA capacity
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Norbie | Fri, 13 February 2004 02:29 |
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Re: forced inductin 'vs' NA capacity
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V8_MA61 | Thu, 12 February 2004 09:33 |
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Re: forced inductin 'vs' NA capacity
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justcallmefrank | Thu, 12 February 2004 10:05 |
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Re: forced inductin 'vs' NA capacity
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V8_MA61 | Thu, 12 February 2004 10:29 |
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Re: forced inductin 'vs' NA capacity
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justcallmefrank | Thu, 12 February 2004 10:38 |
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Re: forced inductin 'vs' NA capacity
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V8_MA61 | Thu, 12 February 2004 10:40 |
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Re: forced inductin 'vs' NA capacity
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79rollaboy | Thu, 12 February 2004 10:57 |
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Re: forced inductin 'vs' NA capacity
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draven | Thu, 12 February 2004 11:17 |
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Re: forced inductin 'vs' NA capacity
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V8_MA61 | Thu, 12 February 2004 11:22 |
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Re: forced inductin 'vs' NA capacity
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justcallmefrank | Thu, 12 February 2004 12:04 |
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Re: forced inductin 'vs' NA capacity
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V8_MA61 | Thu, 12 February 2004 12:16 |
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Re: forced inductin 'vs' NA capacity
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oldcorollas | Thu, 12 February 2004 12:23 |
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Re: forced inductin 'vs' NA capacity
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oldcorollas | Thu, 12 February 2004 13:04 |
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Re: forced inductin 'vs' NA capacity
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thechuckster | Thu, 12 February 2004 13:12 |
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Re: forced inductin 'vs' NA capacity
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ta23 | Thu, 12 February 2004 13:38 |
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Re: forced inductin 'vs' NA capacity
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Donuts | Thu, 12 February 2004 14:59 |
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Re: forced inductin 'vs' NA capacity
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Dabbid | Thu, 12 February 2004 15:08 |
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Re: forced inductin 'vs' NA capacity
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Norbie | Fri, 13 February 2004 02:35 |
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Re: forced inductin 'vs' NA capacity
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Chris Davey | Fri, 13 February 2004 02:59 |
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Re: forced inductin 'vs' NA capacity
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Donuts | Fri, 13 February 2004 04:28 |
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Re: forced inductin 'vs' NA capacity
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Donuts | Fri, 13 February 2004 04:31 |
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Re: forced inductin 'vs' NA capacity
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gianttomato | Fri, 13 February 2004 04:21 |
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Re: forced inductin 'vs' NA capacity
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thechuckster | Thu, 12 February 2004 13:07 |
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Re: forced inductin 'vs' NA capacity
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oldcorollas | Thu, 12 February 2004 15:31 |
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Re: forced inductin 'vs' NA capacity
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Skip | Thu, 12 February 2004 23:22 |
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Re: forced inductin 'vs' NA capacity
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V8_MA61 | Sat, 14 February 2004 01:46 |
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Re: forced inductin 'vs' NA capacity
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Skip | Sun, 15 February 2004 23:50 |
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Re: forced inductin 'vs' NA capacity
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Norbie | Mon, 16 February 2004 00:49 |
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Re: forced inductin 'vs' NA capacity
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ae95 | Mon, 16 February 2004 00:42 |
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Re: forced inductin 'vs' NA capacity
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Norbie | Mon, 16 February 2004 00:51 |
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Re: forced inductin 'vs' NA capacity
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da_snuff | Fri, 13 February 2004 00:50 |
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Re: forced inductin 'vs' NA capacity
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draven | Fri, 13 February 2004 02:36 |
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Re: forced inductin 'vs' NA capacity
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Norbie | Fri, 13 February 2004 02:36 |
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Re: forced inductin 'vs' NA capacity
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Chris Davey | Fri, 13 February 2004 03:01 |
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Re: forced inductin 'vs' NA capacity
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Norbie | Fri, 13 February 2004 04:14 |
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Re: forced inductin 'vs' NA capacity
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RWDboy | Sat, 14 February 2004 01:26 |
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Re: forced inductin 'vs' NA capacity
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V8_MA61 | Sat, 14 February 2004 06:35 |
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Re: forced inductin 'vs' NA capacity
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Zhyr | Sun, 15 February 2004 12:36 |
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Re: forced inductin 'vs' NA capacity
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V8_MA61 | Mon, 16 February 2004 07:47 |
