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22 Nov 2008, 11:11 (Ref:2339471) | #1 | ||
10-10ths official Trekkie
Veteran
Join Date: May 2005
Posts: 4,297
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Jack Daniels Racing's musical note
What's the go with the Perkins' rockets new throatier note? I heard some chat a while back that the JDR lads made a new exhaust system on it and at Tassie the cars made a really nice note. Sounded they placed a set of big block extractors on it. Does anyone know the changes to the exhaust system?
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One batch two batch, penny and dime |
22 Nov 2008, 11:51 (Ref:2339482) | #2 | ||
Racer
Join Date: Jan 2003
Posts: 264
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I think it's a new muffler.
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22 Nov 2008, 14:26 (Ref:2339563) | #3 | ||
Veteran
Join Date: Jul 2004
Posts: 8,782
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been on since Bathurst, in person when it has gone past you from the back it sounds like a 250cc bike. who cares if it sounds like a fart in a tunnel if it helps it go better.
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23 Nov 2008, 02:43 (Ref:2339899) | #4 | |
Racer
Join Date: Feb 2005
Posts: 417
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It sounds fantastic, like a Cosworth V8.
Kramer |
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23 Nov 2008, 03:32 (Ref:2339910) | #5 | |
Racer
Join Date: Nov 2007
Posts: 186
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Different collector box.
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Smith & Weston - the original point and click interface. |
23 Nov 2008, 06:39 (Ref:2339963) | #6 | |||
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Join Date: Dec 2006
Posts: 2,193
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Quote:
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23 Nov 2008, 16:51 (Ref:2340242) | #7 | |
Veteran
Join Date: Jan 2003
Posts: 544
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It has a cross-over exhaust system from each bank's primary pipes with a different 4-1 collector system...
It sounds more like an F3 car or a F430....quite nice! HRT have a similarly different exhaust on GTs .... |
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23 Nov 2008, 21:22 (Ref:2340389) | #8 | ||
Veteran
Join Date: Mar 2006
Posts: 1,133
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Looks like Todd's bought over some of the secrets from the Lion's Den!!
Todd has been the shot in the a@$e that Perkins has needed for some time. Like he said on the radio on Saturday afternoon, it been 11 months but finally they have got there and hopefully they can keep that going into next year. |
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It's all about speed! Hot, nasty bad-ass speed!! Velociraptor Performance Industries |
23 Nov 2008, 22:55 (Ref:2340443) | #9 | ||
Race Official
1% Club
Join Date: Dec 2002
Posts: 46,711
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So is this the engine development Mr Kelly Sr has been paying for on the quiet?
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Happy David Thexton Day, 21st March 2003 “I am not uncertain” - Dollar Bill Stern, Billions “Fear stimulates my imagination” - Don Draper, Mad Men “Everybody Lies” - Dr Gregory House, House “Trust But Verify” - Commissioner Frank Reagan, Blue Bloods |
24 Nov 2008, 06:07 (Ref:2340536) | #10 | ||
Veteran
Join Date: Nov 2008
Posts: 542
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The JD cars had a sweet note at Indy in the Concrete jungle. For a holden anyway it would have to sound the nicest.
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