Author | Topic |

Club Member
Location: sydney
Registered: May 2002
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Re: Why no love for the 4A-C? Bullies!!
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Fri, 11 October 2002 07:35

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I was once asked to work out the cost of improving the power of the 4AC to around the stock GE mark, I estimated that without the cost of me building it, the stuff needed to be done alone would come to around $1K... the price of a G, having said that Ive have always wanted to do one just for the hell of it and oneday I will, but for a grand heres what I estimated needed to be done to get power.
1. ditch the 4AC crank and use GE one from a 3 rib block, the rods will bolt on to this crank no worries.
2.bench flow the head with maximum possible valve size and a port and polish to boot. then deck the head about 20,000" to up the compression a bit more
3. move up to a 1mm oversize piston
4. custom made extractors with a heatshield to protect the intake manifold a little bit plus some heat wrap may help as well
5. custom intake manifold to suit either a 32/36 (from a escourt or cortina) or 36/36 (from an alfa alfetta) weber IDA carb
6. regrind or preferably a billet upgraded cam, something like a 35/65 would be suitable
7. lightened flywheel and better clutch setup
8. and of course a full balance
9. ditch the clutch driven fan for an electric thermo fan
10. run an oil cooler
you could also add an electronic dizzy, coil packs or better still 3D mapping to improve it further.
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| Subject | Poster | Date |
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Why no love for the 4A-C? Bullies!!
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AE86 | Tue, 08 October 2002 13:25 |
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Re: Why no love for the 4A-C? Bullies!!
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mrshin | Tue, 08 October 2002 13:34 |
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Re: Why no love for the 4A-C? Bullies!!
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haggis | Wed, 09 October 2002 02:29 |
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Re: Why no love for the 4A-C? Bullies!!
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EvilJack | Wed, 09 October 2002 04:08 |
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Re: Why no love for the 4A-C? Bullies!!
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Blacki | Wed, 09 October 2002 04:21 |
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Re: Why no love for the 4A-C? Bullies!!
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AE86 | Wed, 09 October 2002 04:32 |
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Re: Why no love for the 4A-C? Bullies!!
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haggis | Wed, 09 October 2002 06:50 |
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Re: Why no love for the 4A-C? Bullies!!
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Hunty | Wed, 09 October 2002 07:06 |
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Re: Why no love for the 4A-C? Bullies!!
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familiagtx | Wed, 09 October 2002 09:35 |
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Re: Why no love for the 4A-C? Bullies!!
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St3ve_AE92 | Wed, 09 October 2002 09:48 |
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Re: Why no love for the 4A-C? Bullies!!
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mrshin | Wed, 09 October 2002 10:21 |
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Re: Why no love for the 4A-C? Bullies!!
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EVOSTi | Wed, 09 October 2002 11:33 |
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Re: Why no love for the 4A-C? Bullies!!
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t_temperley | Wed, 09 October 2002 11:40 |
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Re: Why no love for the 4A-C? Bullies!!
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St3ve_AE92 | Wed, 09 October 2002 11:46 |
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Re: Why no love for the 4A-C? Bullies!!
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IRA11Y | Fri, 11 October 2002 07:35 |
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Re: Why no love for the 4A-C? Bullies!!
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Singlecam | Sun, 13 October 2002 07:03 |
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Re: Why no love for the 4A-C? Bullies!!
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IRA11Y | Sun, 13 October 2002 11:03 |
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Re: Why no love for the 4A-C? Bullies!!
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AE86 | Fri, 11 October 2002 08:01 |
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Re: Why no love for the 4A-C? Bullies!!
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jazae86 | Fri, 11 October 2002 16:42 |
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Re: Why no love for the 4A-C? Bullies!!
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FLY PSI | Sat, 12 October 2002 02:48 |
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Re: Why no love for the 4A-C? Bullies!!
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jazae86 | Sat, 12 October 2002 08:06 |
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Re: Why no love for the 4A-C? Bullies!!
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Blacki | Mon, 14 October 2002 01:04 |
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Re: Why no love for the 4A-C? Bullies!!
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Singlecam | Mon, 14 October 2002 06:07 |
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Re: Why no love for the 4A-C? Bullies!!
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IRA11Y | Mon, 14 October 2002 06:15 |
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Re: Why no love for the 4A-C? Bullies!!
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IRA11Y | Mon, 14 October 2002 06:23 |
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Re: Why no love for the 4A-C? Bullies!!
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Singlecam | Mon, 14 October 2002 06:51 |
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Re: Why no love for the 4A-C? Bullies!!
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Classique71 | Mon, 14 October 2002 10:09 |
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Re: Why no love for the 4A-C? Bullies!!
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IRA11Y | Mon, 14 October 2002 11:19 |
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Re: Why no love for the 4A-C? Bullies!!
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Rex_Kelway | Mon, 14 October 2002 13:41 |
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Re: Why no love for the 4A-C? Bullies!!
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AE86 | Mon, 14 October 2002 17:03 |
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Re: Why no love for the 4A-C? Bullies!!
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Rex_Kelway | Tue, 15 October 2002 05:39 |
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Re: Why no love for the 4A-C? Bullies!!
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AE86 | Tue, 15 October 2002 09:30 |
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Re: Why no love for the 4A-C? Bullies!!
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chrisss | Tue, 15 October 2002 10:06 |
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Re: Why no love for the 4A-C? Bullies!!
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bliz | Tue, 15 October 2002 10:17 |
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Re: Why no love for the 4A-C? Bullies!!
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AE86 | Tue, 15 October 2002 11:21 |
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Re: Why no love for the 4A-C? Bullies!!
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bliz | Tue, 15 October 2002 11:33 |
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Re: Why no love for the 4A-C? Bullies!!
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IRA11Y | Wed, 16 October 2002 10:29 |
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Re: Why no love for the 4A-C? Bullies!!
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bliz | Thu, 17 October 2002 00:18 |
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Re: Why no love for the 4A-C? Bullies!!
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chrisss | Thu, 17 October 2002 10:07 |
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Re: Why no love for the 4A-C? Bullies!!
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bliz | Thu, 17 October 2002 13:28 |
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Re: Why no love for the 4A-C? Bullies!!
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IRA11Y | Sat, 19 October 2002 03:00 |
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Re: Why no love for the 4A-C? Bullies!!
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IRA11Y | Mon, 21 April 2003 23:37 |
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Re: Why no love for the 4A-C? Bullies!!
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biased99 | Fri, 18 October 2002 10:10 |
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Re: Why no love for the 4A-C? Bullies!!
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bliz | Fri, 18 October 2002 14:39 |
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Re: Why no love for the 4A-C? Bullies!!
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biased99 | Sat, 19 October 2002 10:07 |
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Re: Why no love for the 4A-C? Bullies!!
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Rex_Kelway | Sat, 19 October 2002 07:56 |
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Re: Why no love for the 4A-C? Bullies!!
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bliz | Sat, 19 October 2002 09:30 |
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Re: Why no love for the 4A-C? Bullies!!
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bliz | Sat, 19 October 2002 10:57 |
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Re: Why no love for the 4A-C? Bullies!!
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mrshin | Sun, 20 October 2002 11:16 |
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Re: Why no love for the 4A-C? Bullies!!
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biased99 | Sun, 20 October 2002 23:44 |
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Re: Why no love for the 4A-C? Bullies!!
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wilbo666 | Mon, 21 October 2002 00:22 |
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Re: Why no love for the 4A-C? Bullies!!
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bliz | Mon, 21 October 2002 02:05 |
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Re: Why no love for the 4A-C? Bullies!!
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IRA11Y | Mon, 21 October 2002 06:08 |
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Re: Why no love for the 4A-C? Bullies!!
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FLY PSI | Tue, 22 October 2002 11:49 |
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Re: Why no love for the 4A-C? Bullies!!
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mrshin | Mon, 21 October 2002 13:43 |
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Re: Why no love for the 4A-C? Bullies!!
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biased99 | Mon, 21 October 2002 23:05 |
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Re: Why no love for the 4A-C? Bullies!!
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bliz | Tue, 22 October 2002 00:23 |
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Re: Why no love for the 4A-C? Bullies!!
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FLY PSI | Tue, 22 October 2002 01:22 |
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Re: Why no love for the 4A-C? Bullies!!
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Blacki | Tue, 22 October 2002 01:37 |
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Re: Why no love for the 4A-C? Bullies!!
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mrshin | Tue, 22 October 2002 01:40 |
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Re: Why no love for the 4A-C? Bullies!!
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mrshin | Tue, 22 October 2002 01:53 |
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Re: Why no love for the 4A-C? Bullies!!
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mrshin | Tue, 22 October 2002 01:55 |
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Re: Why no love for the 4A-C? Bullies!!
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Blacki | Tue, 22 October 2002 02:05 |
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Re: Why no love for the 4A-C? Bullies!!
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mrshin | Tue, 22 October 2002 02:07 |
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Re: Why no love for the 4A-C? Bullies!!
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bliz | Tue, 22 October 2002 14:24 |
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Re: Why no love for the 4A-C? Bullies!!
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IRA11Y | Wed, 23 October 2002 07:01 |
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Re: Why no love for the 4A-C? Bullies!!
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FLY PSI | Wed, 23 October 2002 07:39 |
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Re: Why no love for the 4A-C? Bullies!!
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poida | Sun, 24 November 2002 04:28 |
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Re: Why no love for the 4A-C? Bullies!!
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bliz | Wed, 23 October 2002 07:32 |
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Re: Why no love for the 4A-C? Bullies!!
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bliz | Sat, 23 November 2002 23:37 |
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Re: Why no love for the 4A-C? Bullies!!
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mrshin | Sun, 24 November 2002 22:06 |
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Re: Why no love for the 4A-C? Bullies!!
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Singlecam | Mon, 25 November 2002 16:04 |
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Re: Why no love for the 4A-C? Bullies!!
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Singlecam | Mon, 25 November 2002 16:07 |
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Re: Why no love for the 4A-C? Bullies!!
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turbokid | Wed, 27 November 2002 05:35 |
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Re: Why no love for the 4A-C? Bullies!!
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bliz | Wed, 27 November 2002 05:42 |
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Re: Why no love for the 4A-C? Bullies!!
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wilbo666 | Wed, 27 November 2002 06:07 |
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Re: Why no love for the 4A-C? Bullies!!
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THE WITZL | Wed, 27 November 2002 22:28 |
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Re: Why no love for the 4A-C? Bullies!!
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haggis | Wed, 23 April 2003 04:05 |
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Re: Why no love for the 4A-C? Bullies!!
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BillusMcFlunday | Fri, 15 July 2005 06:21 |
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Re: Why no love for the 4A-C? Bullies!!
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draven | Fri, 15 July 2005 06:26 |
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Re: Why no love for the 4A-C? Bullies!!
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Corona RT142 | Fri, 15 July 2005 06:29 |
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Re: Why no love for the 4A-C? Bullies!!
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Merudo | Fri, 15 July 2005 06:30 |
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Re: Why no love for the 4A-C? Bullies!!
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oldcorollas | Fri, 15 July 2005 07:38 |
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Re: Why no love for the 4A-C? Bullies!!
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ViPeR_NiPPleX | Sat, 16 July 2005 00:02 |
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Re: Why no love for the 4A-C? Bullies!!
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kingmick | Sat, 16 July 2005 23:05 |