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02-12-2011, 11:43 PM
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CC Member
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Join Date: Jun 2009
Location: Sydney,
NSW
Cobra Make, Engine: RCM, Jag front and rear, LS3
Posts: 1,640
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Not Ranked
Who's got a polished engine bay?
What started as an alloy heat shield has turned into fabricating my whole engine bay with alloy. I am now starting to think about polishing the alloy.
I know there are a lot of people that have used alloy in their engine bays. So i thought i would ask how you finshed the alloy and how well it is lasting?
I would love to polish it, but i am thinking that i just wont be able to keep it that way.
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02-13-2011, 01:31 AM
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CC Member
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Join Date: Feb 2006
Location: The Hills,
NSW
Cobra Make, Engine: Absolute Pace
Posts: 1,354
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Not Ranked
Tenrocca has lined all of his engine bay and boot, and would be able to give you some tips.
Personally I would not polish unless you love spending ages maintaining it!
Cheers,
Ben
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02-13-2011, 01:43 AM
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CC Member
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Join Date: Jan 2004
Location: Queanbeyan,
NSW
Cobra Make, Engine: AP 289 USRRC #98 The Ken Miles Tribute Car
Posts: 1,133
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Not Ranked
Ben, when you have Australia's most original Cobra there would be a steady stream of volunteers willing to clean every bit of Andrews Car.  
Cheers
__________________
289 FIA Cobras RULE! 
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02-13-2011, 02:09 AM
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CC Member
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Join Date: Jun 2007
Location: Sunshine Coast Qld,
QLD
Cobra Make, Engine: Harrison # 80; Ford 5.0L HO Trickflow heads, cam and rockers and MassFlow EFI
Posts: 3,482
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Not Ranked
If you want a lasting shine then it is stainless, but that is heavier and more expensive.
__________________
Merv
Ford Cobra
Harrison #80.
Peregian Beach
Sunshine Coast Qld.
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02-13-2011, 02:22 AM
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CC Member
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Join Date: Jun 2009
Location: Sydney,
NSW
Cobra Make, Engine: RCM, Jag front and rear, LS3
Posts: 1,640
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Not Ranked
Yeah, stainless is heavy, expensive and a bugger to work with. Warps a lot, not as good heat shield, takes forever to polish. That being said it looks great.
Has anyone had any success with finshes on polished alloy. Glisten PC is the only one i have used and im not impressed with the result. I think a nice coat of body colour paint might be the answer with a few shiney bits bolted on.
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02-13-2011, 02:27 AM
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CC Member
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Join Date: Jun 2009
Location: Sydney,
NSW
Cobra Make, Engine: RCM, Jag front and rear, LS3
Posts: 1,640
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Not Ranked
This is what i have done so far.
Still have to cover the fire wall and remake the inner guards. |
02-13-2011, 02:51 AM
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CC Member
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Join Date: Nov 2004
Location: Sydney,
NSW
Cobra Make, Engine: Classic Revival #3199. 366ci L76, T56 6 speed, Blue circle custom paint, Australias most original cobra 2009-2010
Posts: 2,396
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Not Ranked
Only pic in my gallery I could find:
I went a brushed finish, and it is still hard to look after. It was filthy after a few off track excursions, but I have the engine out at the moment and will take that opportunity to give it a good clean up and going over with the scotchbrite pads again. Maintaining a polished finish would be a nightmare I reckon.
BJ - I decided not to run for most original last year to give others a chance.
__________________
Proudly registered since 2013.
Last edited by Tenrocca; 02-13-2011 at 02:54 AM..
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02-13-2011, 03:01 AM
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CC Member
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Join Date: Jun 2009
Location: Sydney,
NSW
Cobra Make, Engine: RCM, Jag front and rear, LS3
Posts: 1,640
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Not Ranked
Thanks Andrew,
I had a look through your gallery pics and found some of when you originally did it. Also saw you boot which looks awesome.
I like the look of the alloy in the engine bay, but i imagine it is impossible to clean when the engine is in. Do you plan to keep yours raw? Would you do it again or paint it silver?
Cheers,
Liam
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02-13-2011, 03:04 AM
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CC Member
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Join Date: Nov 2004
Location: Sydney,
NSW
Cobra Make, Engine: Classic Revival #3199. 366ci L76, T56 6 speed, Blue circle custom paint, Australias most original cobra 2009-2010
Posts: 2,396
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Not Ranked
The brushed finish is more sympatheic to dirt and minor scratches. I would do the same again I reckon. I like the look - it is looking pretty second hand at the moment though. Taking this opportunity to tidy things up a bit under the hood.
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Proudly registered since 2013.
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02-13-2011, 03:22 AM
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CC Member
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Join Date: Feb 2002
Location: Alice Springs, central Australia,
NT
Cobra Make, Engine: Classic revival kit (CR3181), gen III engine, T56 6 speed box, AU XR8 lsd diff
Posts: 5,699
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Not Ranked
Andrew, did you do the curved front panels in the CR engine bay?
Part of the tidy up on mine is lining engine bay in alloy, just wondering how you did it.
__________________
Cruising in 5th
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Never be afraid to do something new, Remember, Amateurs built the Ark: Professionals built the Titanic.
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02-13-2011, 03:34 AM
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CC Member
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Join Date: Nov 2004
Location: Sydney,
NSW
Cobra Make, Engine: Classic Revival #3199. 366ci L76, T56 6 speed, Blue circle custom paint, Australias most original cobra 2009-2010
Posts: 2,396
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Not Ranked
Yes Dave - used 2 pieces. The rear most piece has a thin wedge cut into it to make around the bend with the crease as well. It was tricky - made up a lot of cardboard templates that ended up in the bin.
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Proudly registered since 2013.
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02-13-2011, 03:38 AM
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CC Member
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Join Date: Jun 2009
Location: Sydney,
NSW
Cobra Make, Engine: RCM, Jag front and rear, LS3
Posts: 1,640
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Not Ranked
What thickness did you use? I am using 2mm
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02-13-2011, 03:43 AM
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CC Member
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Join Date: Nov 2004
Location: Sydney,
NSW
Cobra Make, Engine: Classic Revival #3199. 366ci L76, T56 6 speed, Blue circle custom paint, Australias most original cobra 2009-2010
Posts: 2,396
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Not Ranked
1.2 I think - 2mm to hard to bend, but used that thick for my radiator support. I made a brake that did an OK job on 1.2 (plans are in my gallery somewhere)
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Proudly registered since 2013.
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02-13-2011, 03:56 AM
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CC Member
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Join Date: Jun 2006
Location: Palm Beach,
QLD
Cobra Make, Engine: Harrisons # 62 302 T5
Posts: 474
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Not Ranked
Liam
I bought some polished alloy March pulleys last year and they are powdercoated clear. They look fantastic now but I haven't fitted them so I cannot be sure about how they hold up in the engine bay.
Anyone with experience with clear powdercoatning? Would this be an option or are my pulleys going to chip and oxidise?
Cheers
Geof
__________________
Original? Must be. It's the only one I've ever built.
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02-13-2011, 10:40 AM
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CC Member
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Join Date: Jan 2004
Location: Wayne,
NJ
Cobra Make, Engine: Contemporary 482 all aluminum Tunnelport Self built and owned since 1980 frame#0000017 and owner of frame CCX 33961 looking for an FIA body to go with it
Posts: 425
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Not Ranked
__________________
Cobrarich
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02-13-2011, 12:56 PM
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CC Member
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Join Date: Jul 2008
Cobra Make, Engine: BBF 545 Stroker Alloy Heads Roller Cam Aluminium Flywheel Twin plate Clutch TKO600 9inch Independent Rear 335x17 Rear 315x17 Front 1140kg
Posts: 292
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Not Ranked
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02-13-2011, 01:28 PM
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CC Member
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Join Date: Jul 2008
Cobra Make, Engine: BBF 545 Stroker Alloy Heads Roller Cam Aluminium Flywheel Twin plate Clutch TKO600 9inch Independent Rear 335x17 Rear 315x17 Front 1140kg
Posts: 292
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Not Ranked
Mine is brushed stainless 0.9mm....its not very heavy but strong.. If you polish the alloy it will reflect everything even the things you dont want to see....
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02-13-2011, 01:54 PM
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CC Member
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Join Date: Jun 2007
Location: Sunshine Coast Qld,
QLD
Cobra Make, Engine: Harrison # 80; Ford 5.0L HO Trickflow heads, cam and rockers and MassFlow EFI
Posts: 3,482
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Not Ranked
The best I have ever seen is the one that Nigel Dean did on his Dax, as the featured build in "Cobra" (and I guess the compatriot UK Kit Car mag). Absolutely stunning, and an inspiration for any builder. All in stainless. Worth tracking down (I have the original mag).
__________________
Merv
Ford Cobra
Harrison #80.
Peregian Beach
Sunshine Coast Qld.
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02-13-2011, 04:32 PM
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CC Member
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Join Date: Feb 2006
Cobra Make, Engine:
Posts: 2,750
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Not Ranked
Polishings a Biatch!!!! |
02-13-2011, 05:11 PM
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CC Member
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Join Date: May 2003
Location: Carencro, La,
USA
Cobra Make, Engine: Midstates 427 / ERA 289 USRRC
Posts: 214
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Not Ranked
Pics of my aluminum a few years back
Pic of Aluminum a few years ago.
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