MK-I MK-II MK-III MK-IV GULF MIRAGE J-CAR LOLA
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Why not start with your first post today and become an active part of GT40s.com now! And, if you find you enjoy GT40s.com think about becoming a Forum Supporter. | | GT40 Tech - Engines/Induction/Exhaust Motors and engine related - right here! | 
11-11-07, 11:20 PM
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#1 (permalink)
| | 4 Tenths
Join Date: Dec 2003
Posts: 419
Rep Power: 9  | 4.6 Cobra - intake/exhaust
Many here will know Jim Cowden (building RF#105) as a master craftsman.
Here are a few snaps of what he did for me:
*custom made headers and cross-over system
*fitting of DC&O 8-barrel
Love ya work Jim! | 
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11-11-07, 11:25 PM
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#2 (permalink)
| | Bill Haralambakis Old Hand
Join Date: Oct 2001 Location: Melbourne GT40: RF
Posts: 675
Rep Power: 13 | Re: 4.6 Cobra - intake/exhaust
Beautiful work by Jim on your car Timmy boy, looks great but how does she go now?
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RF GT40
Chassis 061
On the road baby! | |
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11-12-07, 02:11 AM
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#3 (permalink)
| | Bobski Rookie
Join Date: Feb 2006 Location: Sydney, Australia GT40: RF GT40, MKII, #134
Posts: 99
Rep Power: 3 | Re: 4.6 Cobra - intake/exhaust
She goes and sound unreal. I went for a quick ride and was very impressed! | |
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11-12-07, 04:00 AM
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#4 (permalink)
| | Iain Pretty A Tenth
Join Date: Aug 2006 Location: Sydney GT40: RF # 117
Posts: 160
Rep Power: 3 | Re: 4.6 Cobra - intake/exhaust
Nice work Jim / Tim, How do you filter the air ? | |
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11-12-07, 04:17 AM
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#5 (permalink)
| | 4 Tenths
Join Date: Dec 2003
Posts: 419
Rep Power: 9 | Re: 4.6 Cobra - intake/exhaust
Bill, it goes very well. The best characteristic, by far, is the SOUND. Bloody fantastic! This motor revs to 7000 out of the box, and between 4000 and 7000 the quad-cam is so sweet.
It pulls pretty well, and is very smooth in power delivery.
I still don't think it will out do the Lotus in a 0 - 100mph run though. You can really feel those extra 500kg's!!
Iain, i have a pair of Pipercross foam filters. Like those used in F2/F3 cars. Just need to make a simple, quick release mount for them. ('till then, i am using the engine oil to catch the dirt, and the oil filter to retain it... hehehe). | |
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11-12-07, 06:08 AM
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#6 (permalink)
| | albanygt40 3 Tenths
Join Date: Nov 2005 Location: Albany West Aus GT40: Albany west Aus
Posts: 357
Rep Power: 6 | Re: 4.6 Cobra - intake/exhaust
Jim is a Master at fabrication, great bloke aswell. 
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Looking for another GT40. | |
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11-12-07, 06:23 AM
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#7 (permalink)
| | simonjrwinter serial GT40 owner
Join Date: Jan 2002 Location: Essex, UK GT40: GTD
Posts: 1,768
Rep Power: 24 | Re: 4.6 Cobra - intake/exhaust
That is luverrleee!
How much wider/longer/taller than a 302 is the 4.6?
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GTD with Southern GT rear end. Lowered engine and gearbox. 302, R21T gearbox with LSD. | |
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11-12-07, 04:58 PM
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#8 (permalink)
| | Steve M
Join Date: Feb 2003 Location: Queanbeyan Aust GT40: GT40 Australia
Posts: 5
Rep Power: 6 | Re: 4.6 Cobra - intake/exhaust
Tim, Looks fantastic, Have you had a chance to compare performance wise between the two induction setups? I have this engine in my car also and are looking at options?
Steve | |
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11-12-07, 05:35 PM
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#9 (permalink)
| | Bill D I Have No Life
Join Date: Sep 2001 Location: Camarillo, CA
Posts: 2,355
Rep Power: 32 | Re: 4.6 Cobra - intake/exhaust
Awesome!! That engine...those headers...AND THE STACK EFI!!
Great job!
Bill D
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Bill D
RCR GT40 Mk1 Gulf | |
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11-12-07, 10:24 PM
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#10 (permalink)
| | StuM5 Rookie
Join Date: Mar 2007 Location: Sydney GT40: wanting a GT40
Posts: 44
Rep Power: 2 | Re: 4.6 Cobra - intake/exhaust
Hi Tim
That looks fantastic, it really finishes off the overall look. I bet it sounds so much better than it looks! I would love to have a listen one day if you're keen on making someone else 
I'm over in Forestville, I've been for a spin in Peter D's so it would be interesting to hear your exhaust sing as well.
PS Also love your work Jim!
cheers
Stuart (no closer to owning a GT40  ) | |
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11-13-07, 12:02 AM
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#11 (permalink)
| | 4 Tenths
Join Date: Dec 2003
Posts: 419
Rep Power: 9 | Re: 4.6 Cobra - intake/exhaust
Thanks for all the positive comments guys. It really is a beauty.
Stu, i'm afraid i can't show you the car, as i have sold it, and the new owner picked it up last weekend. Mt wife & I have bought 10 acres of land, and i have sold the GT to help us build our dream house. It was a tough decision, one which took many months to come to, but at this stage it's the best thing for my family. I'm only 39, so more cars can come later..... | |
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11-13-07, 03:05 AM
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#12 (permalink)
| | Jim C Gold Supporter
Join Date: Dec 2004 Location: SYDNEY, AUSTRAL GT40: RF 105
Posts: 485
Rep Power: 8 | Re: 4.6 Cobra - intake/exhaust
Good luck with the new venture Tim. | |
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11-13-07, 04:08 AM
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#13 (permalink)
| | delaneyp Peter D
Join Date: Sep 2001 Location: Sydney, Australia GT40: DRB #27
Posts: 1,221
Rep Power: 20 | Re: 4.6 Cobra - intake/exhaust
Wow Tim, that's some news !! It must have been a tough decision, but 10 acres in your own heaven is fairly tempting !
(There might even be room for a serious shed - "just somewhere to store my tools & the feed for your horses, etc, darling" - yeah, right !!).
All the best with your new venture - but please stick around on the Forum - your knowledge & experience is highly valued.
Kind Regards,
Peter D.
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DRB (GT40 Australia) #27
331 Windsor / GD-50
8-Stack EFI / Autronic
Dark Metallic Blue Pearl | |
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11-13-07, 06:42 AM
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#14 (permalink)
| | albanygt40 3 Tenths
Join Date: Nov 2005 Location: Albany West Aus GT40: Albany west Aus
Posts: 357
Rep Power: 6 | Re: 4.6 Cobra - intake/exhaust
Who's the lucky new owner??
4.6 actually looks ok with 8 stack and shiny pipes. Maybe there is hope for our Eastern States Friends. Jims pipes give the engine a sporting look.
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Looking for another GT40.
Last edited by albanygt40; 11-13-07 at 06:51 AM.
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11-13-07, 07:38 AM
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#15 (permalink)
| | Bill Haralambakis Old Hand
Join Date: Oct 2001 Location: Melbourne GT40: RF
Posts: 675
Rep Power: 13 | Re: 4.6 Cobra - intake/exhaust
Wow Tim, I just caught that bombshell... That is a surprise, I like Peter would like to see you hang around the forum and I also hope that the lucky person that bought you car appreciates the amount of work and effort that has gone into making it such a cracking car.
It must be one heck of piece of land mate…. BEST OF LUCK and stay in touch!
Bill
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RF GT40
Chassis 061
On the road baby! | |
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11-13-07, 04:24 PM
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#16 (permalink)
| | easta Rookie
Join Date: Feb 2005 Location: Victoria, Australia GT40: Roaring Forties 94
Posts: 69
Rep Power: 4 | Re: 4.6 Cobra - intake/exhaust
Hi Tim,
Sad to hear your've sold the GT, but on the other hand fully appreciate the need to move on and get the dream home built. I hope the building process of the home is a smoother path than the build of the 40 was for you! I suppose if I owned a supercharged honda engined Lotus and a 40 the decision as to which had to go probably isn't that painfull.
Best wishes for your future plans,
Andrew
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RF GT40
Chassis #94
302W / 6 Speed LSD | |
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11-13-07, 04:25 PM
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#17 (permalink)
| | easta Rookie
Join Date: Feb 2005 Location: Victoria, Australia GT40: Roaring Forties 94
Posts: 69
Rep Power: 4 | Re: 4.6 Cobra - intake/exhaust
Hi Tim,
Sad to hear your've sold the GT, but on the other hand fully appreciate the need to move on and get the dream home built. I hope the building process of the home is a smoother path than the build of the 40 was for you! I suppose if I owned a supercharged honda engined Lotus and a 40 the decision as to which had to go probably isn't that painfull.
Best wishes for your future plans,
Andrew
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RF GT40
Chassis #94
302W / 6 Speed LSD | |
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11-13-07, 04:27 PM
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#18 (permalink)
| | easta Rookie
Join Date: Feb 2005 Location: Victoria, Australia GT40: Roaring Forties 94
Posts: 69
Rep Power: 4 | Sorry Double post
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RF GT40
Chassis #94
302W / 6 Speed LSD | |
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12-31-07, 01:57 PM
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#19 (permalink)
| | A Tenth
Join Date: Jan 2004 Location: Sculptor artist, designer GT40: Minnesota
Posts: 108
Rep Power: 6 | Re: 4.6 Cobra - intake/exhaust
Just a beautiful job on your car.
Wow, outstanding.
Steve | |
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