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930 caliper finish (rebuild)
Hi
I beginning a brake upgrade to 930 caliper and rotors. So far I have bought front and rear(modified) calipers, rear rotors and a 23mm master cylinder. The front calipers looks like almost brand new, and they were bought new in -95. The rears are a bit sad looking, any good advice how I can clean them up and get a finish close to factory?  
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Magnus 911 Silver Targa -77, 3.2 -84 with custom ITBs and EFI. 911T Coupe -69, 3.6, G50, "RSR", track day. 924 -79 Rat Rod EFI/Turbo 375whp@1.85bar. 931 -79 under total restoration. |
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03-12-2010, 06:52 AM
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Northern Motorhead
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Whatever you use to paint them make sure to prime them first with zinc oxyde primer as most high heat caliper paints are not very compatible with aluminium.
I just redid a set of Boxster calipers that turned out pretty good and i used scotchbrite to clean and prepare them before painting . Cheers ! Phil
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Cheers Phil 89 Coupe,Black,95 3.6 engine and the list goes on ... 1983 944 SP2 race car PCA #96 |
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03-12-2010, 08:22 AM
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Registered
Join Date: Mar 2006
Location: MD/DC/VA
Posts: 5,872
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Original finish is anodized but most have been painted black during a refresh.
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RGruppe #180 So many cars.. so little time!! Last edited by onboost; 03-12-2010 at 11:12 AM.. |
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03-12-2010, 11:06 AM
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Registered
Join Date: May 2004
Location: Encinitas (San Diego CA)
Posts: 4,495
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Find someone who can soda blast them. I had someone do that and they didn't strip the anodizing. In the end, they just clear coated after stripping down to the factory finish.
Something harsher can just eat through the anodizing. Soda can be cleaned up with water. Clint from Rebel Racing cleaned up mine and rebuilt the calipers with new seals, etc. Doug 
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1971 RSR - interpretation |
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03-12-2010, 12:39 PM
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E-85 sippin drunk
Join Date: Jan 2002
Location: Warner Robins, GA
Posts: 1,554
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I would say just have all 4 of them powdercoted to whatever color you want... Not that hard, just labor intensive, as you rebuild the calipers since you have them all apart. Here are a few pictures of the 930 calipers that I did for my brother...... This is the correct way to do it..... They have different colors of black, if you want the calipers to look like stock. I posted this so you could get an idea of what it takes to take them all apart, and have them powdercoated. You can Pm me, and I wil lbe happy to andswer any questions you may have....
      
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Brad...930 gt-1 racecar, increased displacement to 3.6L, JB racing Cylinders, JE 8 to1 pistons, stroked crank, Carrillo rods, extrudehoned 3.2L intake, full bay Bell I/C, GT-2 EVO cams, Rarly8 headers, GTX-3584RS turbo, twin plug, P&P heads, Link G4 EFi system, G-50/50 with LTD slip and oil squirters/oil cooler, zork tube, full race coilover system, with carbon fiber body, full cage, E-85 sippin drunk |
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03-12-2010, 04:38 PM
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1977 Porsche 911 Targa 2.7s
