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Location:
Kita-Ku, Sapporo, Japan
Registered:
January 2003
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Re: PARALLEL Twincharging, lets make it work
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Tue, 23 August 2005 11:07
 
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ok, more vague thoughts.
if you don't throttle SC input, you have massive pressure/volume drop when it turns off. not good.
if you bleed off the air to atmosphere then you lose air and have parasitic loss still, and you still need some way of stopping air flowing backwards through it.
if you throttle SC input only, then you pull a vacuum between the SC and T1, which increases parasitic losses of the SC, but you lose no air from pressure side of system (but it is still reduced). the losses will almost double as you have twice the pressure differential across the SC, and when you switch the SC off, you will temporarily have air flowing backwards thru the SC, reducing the manifold pressure.. will pulling high vacuum at high rom be bad for SC seals??
if you throttle SC and recirculate air to maintain 1atm between T1 and SC, you reduce the mech loss of above to just the normal amount, but you lose air from the system which has been compressed....... but you now have a smooth way of throttling the SC input...
hmm... so the difference in the last two is..
with no recirc, higher mech losses, some backflow when SC stops.
with recirc, lower mech losses, system is already equalibriated when SC stops.
and if you just bleed air off, then you need someway to quickly stop air loss thru the SC when it turns off...
so i misunderstood some of the previous posts, and also didn't think the system thru enough yet 
i guess this hinges on the mech losses of a PD supercharger..
i am assumning that a higher pressure differential will result in higher losses, but maybe this is not the case if it is pulling against a vacuum???
anyone know?
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| | Subject | Poster | Date |
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PARALLEL Twincharging, whatever....
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oldcorollas | Sat, 20 August 2005 14:40 |
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Re: Twincharging, lets make it work
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b1gb3n | Sat, 20 August 2005 14:55 |
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Re: Twincharging, lets make it work
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oldcorollas | Sat, 20 August 2005 15:04 |
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Re: Twincharging, lets make it work
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Stefan | Sat, 20 August 2005 15:33 |
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Re: Twincharging, lets make it work
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Alchemist | Sat, 20 August 2005 15:39 |
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Re: Twincharging, lets make it work
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oldcorollas | Sat, 20 August 2005 16:18 |
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Re: Twincharging, lets make it work
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Stefan | Sun, 21 August 2005 09:13 |
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Re: Twincharging, lets make it work
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oldcorollas | Sun, 21 August 2005 09:26 |
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Re: Twincharging, lets make it work
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AW11 no Jitsu | Sat, 20 August 2005 17:01 |
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Re: Twincharging, lets make it work
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oldcorollas | Sat, 20 August 2005 17:03 |
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Re: Twincharging, lets make it work
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AW11 no Jitsu | Sat, 20 August 2005 18:07 |
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Re: Twincharging, lets make it work
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oldcorollas | Sat, 20 August 2005 18:14 |
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Re: Twincharging, lets make it work
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feral4mr2 | Sun, 21 August 2005 09:59 |
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Re: Twincharging, lets make it work
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styler | Sun, 21 August 2005 02:14 |
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Re: Twincharging, lets make it work
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brett_celicacoupe | Sun, 21 August 2005 03:43 |
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Re: Twincharging, lets make it work
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kingmick | Sun, 21 August 2005 04:01 |
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Re: Twincharging, lets make it work
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oldcorollas | Sun, 21 August 2005 05:12 |
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Re: Twincharging, lets make it work
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wilbo666 | Sun, 21 August 2005 13:05 |
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Re: Twincharging, lets make it work
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feral4mr2 | Sun, 21 August 2005 10:07 |
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Re: Twincharging, lets make it work
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brett_celicacoupe | Sun, 21 August 2005 04:54 |
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Re: Twincharging, lets make it work
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M.W.P. | Sun, 21 August 2005 05:10 |
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Re: Twincharging, lets make it work
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oldcorollas | Sun, 21 August 2005 05:16 |
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Re: Twincharging, lets make it work
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kingmick | Sun, 21 August 2005 05:19 |
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Re: Twincharging, lets make it work
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kingmick | Sun, 21 August 2005 05:22 |
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Re: Twincharging, lets make it work
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Corona RT142 | Sun, 21 August 2005 05:26 |
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Re: Twincharging, lets make it work
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kingmick | Sun, 21 August 2005 05:32 |
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Re: Twincharging, lets make it work
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oldcorollas | Sun, 21 August 2005 05:37 |
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Re: Twincharging, lets make it work
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Corona RT142 | Sun, 21 August 2005 05:35 |
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Re: Twincharging, lets make it work
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Corona RT142 | Sun, 21 August 2005 05:37 |
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Re: Twincharging, lets make it work
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oldcorollas | Sun, 21 August 2005 05:55 |
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Re: Twincharging, lets make it work
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tricky | Sun, 21 August 2005 06:18 |
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Re: Twincharging, lets make it work
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oldcorollas | Sun, 21 August 2005 07:00 |
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Re: Twincharging, lets make it work
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tricky | Sun, 21 August 2005 07:42 |
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Re: Twincharging, lets make it work
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oldcorollas | Sun, 21 August 2005 08:17 |
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Re: Twincharging, lets make it work
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boofis | Sun, 21 August 2005 06:39 |
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Re: Twincharging, lets make it work
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Toobs | Sun, 21 August 2005 07:02 |
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Re: Twincharging, lets make it work
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oldcorollas | Sun, 21 August 2005 07:31 |
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Re: Twincharging, lets make it work
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kingmick | Sun, 21 August 2005 08:39 |
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Re: Twincharging, lets make it work
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kingmick | Sun, 21 August 2005 09:37 |
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Re: Twincharging, lets make it work
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choofa | Thu, 25 August 2005 09:55 |
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Re: Twincharging, lets make it work
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toof | Sun, 21 August 2005 10:15 |
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Re: Twincharging, lets make it work
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oldcorollas | Sun, 21 August 2005 10:36 |
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Re: Twincharging, lets make it work
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improvedae86 | Sun, 21 August 2005 10:49 |
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Re: Twincharging, lets make it work
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feral4mr2 | Sun, 21 August 2005 10:50 |
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Re: Twincharging, lets make it work
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oldcorollas | Sun, 21 August 2005 11:00 |
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Re: Twincharging, lets make it work
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improvedae86 | Sun, 21 August 2005 10:51 |
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Re: Twincharging, lets make it work
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toof | Sun, 21 August 2005 11:34 |
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Re: Twincharging, lets make it work
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oldcorollas | Sun, 21 August 2005 11:37 |
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Re: Twincharging, lets make it work
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Henn | Sun, 21 August 2005 10:30 |
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Re: Twincharging, lets make it work
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oldcorollas | Sun, 21 August 2005 10:51 |
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Re: PARALLEL Twincharging, lets make it work
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styler | Sun, 21 August 2005 12:44 |
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Re: PARALLEL Twincharging, lets make it work
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oldcorollas | Sun, 21 August 2005 12:48 |
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Re: PARALLEL Twincharging, lets make it work
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Henn | Sun, 21 August 2005 23:29 |
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Re: PARALLEL Twincharging, lets make it work
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berad | Mon, 22 August 2005 06:14 |
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Re: PARALLEL Twincharging, lets make it work
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Merudo | Mon, 22 August 2005 06:30 |
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Re: PARALLEL Twincharging, lets make it work
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oldcorollas | Mon, 22 August 2005 06:46 |
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Re: PARALLEL Twincharging, lets make it work
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Henn | Mon, 22 August 2005 06:31 |
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Re: PARALLEL Twincharging, lets make it work
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oldcorollas | Mon, 22 August 2005 06:35 |
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Re: PARALLEL Twincharging, lets make it work
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Henn | Mon, 22 August 2005 06:51 |
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Re: PARALLEL Twincharging, lets make it work
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Merudo | Tue, 23 August 2005 01:28 |
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Re: PARALLEL Twincharging, lets make it work
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Lukass | Mon, 22 August 2005 08:05 |
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Re: PARALLEL Twincharging, lets make it work
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tricky | Mon, 22 August 2005 08:27 |
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Re: PARALLEL Twincharging, lets make it work
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gr8r-x | Mon, 22 August 2005 08:32 |
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Re: PARALLEL Twincharging, lets make it work
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oldcorollas | Mon, 22 August 2005 08:57 |
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Re: PARALLEL Twincharging, lets make it work
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Mr DOHC | Mon, 22 August 2005 09:51 |
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Re: PARALLEL Twincharging, lets make it work
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oldcorollas | Mon, 22 August 2005 12:24 |
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Re: PARALLEL Twincharging, lets make it work
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tricky | Tue, 23 August 2005 04:17 |
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Re: PARALLEL Twincharging, lets make it work
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oldcorollas | Mon, 22 August 2005 12:54 |
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Re: PARALLEL Twincharging, lets make it work
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tricky | Mon, 22 August 2005 09:55 |
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Re: PARALLEL Twincharging, lets make it work
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oldcorollas | Mon, 22 August 2005 12:46 |
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Re: PARALLEL Twincharging, lets make it work
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Henn | Tue, 23 August 2005 01:01 |
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Re: PARALLEL Twincharging, lets make it work
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Lukass | Mon, 22 August 2005 11:59 |
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Re: PARALLEL Twincharging, lets make it work
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oldcorollas | Mon, 22 August 2005 12:38 |
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Re: PARALLEL Twincharging, lets make it work
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Henn | Tue, 23 August 2005 01:04 |
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Re: PARALLEL Twincharging, lets make it work
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RobertoX | Tue, 23 August 2005 02:00 |
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Re: PARALLEL Twincharging, lets make it work
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M.W.P. | Tue, 23 August 2005 02:35 |
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Re: PARALLEL Twincharging, lets make it work
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oldcorollas | Tue, 23 August 2005 08:05 |
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Re: PARALLEL Twincharging, lets make it work
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oldcorollas | Tue, 23 August 2005 08:31 |
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Re: PARALLEL Twincharging, lets make it work
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M.W.P. | Tue, 23 August 2005 08:33 |
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Re: PARALLEL Twincharging, lets make it work
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tricky | Tue, 23 August 2005 08:33 |
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Re: PARALLEL Twincharging, lets make it work
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oldcorollas | Tue, 23 August 2005 09:00 |
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Re: PARALLEL Twincharging, lets make it work
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M.W.P. | Tue, 23 August 2005 09:30 |
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Re: PARALLEL Twincharging, lets make it work
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oldcorollas | Tue, 23 August 2005 10:07 |
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Re: PARALLEL Twincharging, lets make it work
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oldcorollas | Tue, 23 August 2005 11:07 |
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Re: PARALLEL Twincharging, lets make it work
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RobertoX | Tue, 23 August 2005 11:45 |
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Re: PARALLEL Twincharging, lets make it work
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M.W.P. | Tue, 23 August 2005 12:36 |
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Re: PARALLEL Twincharging, lets make it work
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Norbie | Tue, 23 August 2005 02:55 |
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Re: PARALLEL Twincharging, lets make it work
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VeeP | Tue, 23 August 2005 03:57 |
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Re: PARALLEL Twincharging, lets make it work
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Corona RT142 | Tue, 23 August 2005 04:01 |
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Re: PARALLEL Twincharging, lets make it work
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Henn | Tue, 23 August 2005 04:04 |
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Re: PARALLEL Twincharging, lets make it work
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berad | Tue, 23 August 2005 05:37 |
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Re: PARALLEL Twincharging, lets make it work
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oldcorollas | Tue, 23 August 2005 07:56 |
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Re: PARALLEL Twincharging, lets make it work
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nudes | Tue, 23 August 2005 12:38 |
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Re: PARALLEL Twincharging, lets make it work
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M.W.P. | Tue, 23 August 2005 12:40 |
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Re: PARALLEL Twincharging, lets make it work
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RobertoX | Tue, 23 August 2005 12:49 |
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Re: PARALLEL Twincharging, lets make it work
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NickZ | Tue, 23 August 2005 13:02 |
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Re: PARALLEL Twincharging, lets make it work
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Fr3aK | Tue, 23 August 2005 13:14 |
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Re: PARALLEL Twincharging, lets make it work
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oldcorollas | Tue, 23 August 2005 14:03 |
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Re: PARALLEL Twincharging, lets make it work
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M.W.P. | Tue, 23 August 2005 15:03 |
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Re: PARALLEL Twincharging, lets make it work
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oldcorollas | Tue, 23 August 2005 15:51 |
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Re: PARALLEL Twincharging, lets make it work
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oldcorollas | Tue, 23 August 2005 14:17 |
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Re: PARALLEL Twincharging, lets make it work
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VeeP | Tue, 23 August 2005 16:43 |
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Re: PARALLEL Twincharging, lets make it work
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oldcorollas | Tue, 23 August 2005 18:20 |
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Re: PARALLEL Twincharging, lets make it work
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Henn | Wed, 24 August 2005 00:14 |
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Re: PARALLEL Twincharging, lets make it work
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NickZ | Wed, 24 August 2005 03:42 |
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Re: PARALLEL Twincharging, lets make it work
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oldcorollas | Wed, 24 August 2005 03:51 |
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Re: PARALLEL Twincharging, lets make it work
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Fr3aK | Wed, 24 August 2005 05:06 |
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Re: PARALLEL Twincharging, lets make it work
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oldcorollas | Wed, 24 August 2005 05:56 |
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Re: PARALLEL Twincharging, lets make it work
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oldcorollas | Wed, 24 August 2005 05:59 |
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Re: PARALLEL Twincharging, whatever....
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Fr3aK | Wed, 24 August 2005 06:49 |
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Re: PARALLEL Twincharging, whatever....
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oldcorollas | Wed, 24 August 2005 07:05 |
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Re: PARALLEL Twincharging, whatever....
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Fr3aK | Wed, 24 August 2005 07:33 |
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Re: PARALLEL Twincharging, whatever....
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oldcorollas | Wed, 24 August 2005 07:55 |
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Re: PARALLEL Twincharging, whatever....
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berad | Wed, 24 August 2005 08:13 |
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Re: PARALLEL Twincharging, whatever....
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Enchanter | Wed, 24 August 2005 10:27 |
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Re: PARALLEL Twincharging, whatever....
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oldcorollas | Wed, 24 August 2005 11:10 |
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Re: PARALLEL Twincharging, whatever....
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Enchanter | Wed, 24 August 2005 11:33 |
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Re: PARALLEL Twincharging, whatever....
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oldcorollas | Wed, 24 August 2005 12:32 |
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Re: PARALLEL Twincharging, whatever....
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Henn | Wed, 24 August 2005 12:50 |
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Re: PARALLEL Twincharging, whatever....
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oldcorollas | Wed, 24 August 2005 13:38 |
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Re: PARALLEL Twincharging, whatever....
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doityourself | Wed, 24 August 2005 13:57 |
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Re: PARALLEL Twincharging, whatever....
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Ben Wilson | Wed, 24 August 2005 22:16 |
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Re: PARALLEL Twincharging, whatever....
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oldcorollas | Thu, 25 August 2005 06:08 |
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Re: PARALLEL Twincharging, whatever....
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doityourself | Thu, 25 August 2005 09:07 |
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Re: PARALLEL Twincharging, whatever....
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oldcorollas | Thu, 25 August 2005 10:27 |
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Re: PARALLEL Twincharging, whatever....
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oldcorollas | Thu, 25 August 2005 10:29 |
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Re: PARALLEL Twincharging, whatever....
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choofa | Thu, 25 August 2005 10:46 |
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Re: PARALLEL Twincharging, whatever....
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Mr DOHC | Thu, 25 August 2005 11:06 |
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Re: PARALLEL Twincharging, whatever....
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oldcorollas | Thu, 25 August 2005 11:27 |
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Re: PARALLEL Twincharging, whatever....
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tricky | Thu, 25 August 2005 09:09 |
