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Location: PR,USA
Posts: 562
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Cleaning and Shinning Aluminum
Just wondering if you Guys have a procedure to clean your Porsche underside aluminum engine Block. I rebuilt my Porsche engine and will like to give the aliminum a shiny look. A Show Car look..!
Sugestions..! Vic 
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05-16-2005, 06:37 PM
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Location: Sandton, South Africa
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Haven't done this myself, but I guess alloy wheel cleaner (the foaming type), combined with a small brush should do the trick?
Cheers!
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'70 911T (AKA Bottomless Pit) - Undergoing restoration '13 Audi A4 1.8T - Surprisingly fun means of getting to work |
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05-17-2005, 01:56 AM
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Yes thats what I will like to do .. give it a luster or at least a polish....!
Vic
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05-17-2005, 04:30 AM
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Irrationally exuberant
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The motor I'm building up now had been pressure washed/degreased and left in a shed for a while. As a result it had a lot of corrosion. I used a 3M "Roloc" white finger disc to clean it up. It leaves some swirls but I does a pretty good job.
You need the white version as it is the finest - good for aluminum. A body shop supply place might have them. My local place didn't have the white ones though. -Chris 
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'80 911 Nogaro blue Phoenix! '07 BMW 328i 245K miles! http://members.rennlist.org/messinwith911s/ |
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05-17-2005, 04:50 AM
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Chris
Can you POst some Pix of Your's..! Vic
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05-17-2005, 08:31 AM
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Green Skull 006
Join Date: May 2002
Location: Rhode Island
Posts: 2,040
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Nevr Dull works pretty good on aluminium.
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S Reg 823 R Gruppe 246 1955 pre-A Carrera Speedster...x 1974 leichtbau..."Sascha" "It makes me sad. Our cars were meant to be driven, not polished" - Ferry Porsche while surveying a PCA Parade concours field. |
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05-17-2005, 04:06 PM
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Location: Atlantic Beach, NY
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By far the shiniest engine I have seen goes to 350HP930.
 You can check out his rebuild thread in the engine rebuild forum for complete details, but according to him it takes many hours of meticulous polishing. Of course having the engine stripped down and out of the car helps a whole lot. Having said that, check out eastwood.com for a full ine of metal polishing supplies.
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Mike 1986 930 |
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05-18-2005, 08:03 AM
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Thats's waht I'm talking about.! How about some Fan housing and fan?
Great Vic
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05-18-2005, 09:32 AM
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If one of you Guys have a nice polished Cooling fan and housing i'll really like to see it. Also I'm planing on giving a nice luster to the babanas
Vic
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05-18-2005, 01:29 PM
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Location: Long Beach CA, the sewer by the sea.
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Have your case cleaned at the shop where they have the "dishwasher." Then, if it's aluminum, you can work on the surface using a solution with lye in it. Plain old laundry style lye. It will eat your hands and bleach your driveway, but caustic cleans AL nice and bright. Also most non-ferrous metals. But, if you have a mag case, paint it.
BTW, as odd as it seems, there are acids that also clean AL. Some acids will darken AL, but a few brighten it. The primary acid is hydrofluoric and is probably one of the most dangerous acids there is. Phosphoric acid is what used to be found in wheel cleaners. Both have been used industrially and, to a lesser extent, in architectural cleaning of aluminum. So, whatever you do, be damn careful. |
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05-18-2005, 02:04 PM
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Location: Greater Metropolitan Nimrod, Oregun
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some hydrogen atoms are more closely bound to the rest of the molecule than the Al atom would be; and in others, they aren't
... that's the explanation for the acid effect Zeke noted above.
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"A man with his priorities so far out of whack doesn't deserve such a fine automobile." - Ferris Bueller's Day Off |
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05-18-2005, 02:21 PM
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Here's my fan. Lots of wet sanding steps, then buff with tripoli and rouge. It stayed nice for about two days... It looks great, but does require constant upkeep.
 Fuel filter before and after- 
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Steve B. 1971 T 2.2 w/Zeniths Gruppe B member 171 Mid 9 Web Site Guy |
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05-19-2005, 06:35 PM
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Hey Guys ...great job.
But after all this efirt there's got to be a better way to mantain al this real shinny loook on a Porsche engine .It looks real nice. There is not much at the 101 Proyect Vic
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05-20-2005, 03:43 AM
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some helpful things:
profile sander with custom made pads random orbit sander Scrubbie pads metal polish compound Meguairs heavy cut cleaner
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"A man with his priorities so far out of whack doesn't deserve such a fine automobile." - Ferris Bueller's Day Off |
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05-20-2005, 08:21 AM
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Their friend's
This is what I ultimately want..! http://forum.eastwood.com/showthread.php?=283 Cordially Vic
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05-20-2005, 11:40 AM
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The Blue Pheonix
1971 Porsche 911T 2.2
