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Re: 1971 power brake master cylinder finish
[Re: 70440+6bbl]
#1674228
09/20/14 02:50 AM
09/20/14 02:50 AM
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Joined: Jan 2005
Posts: 8,340 Crook County, ILL
Mastershake340
master
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master
Joined: Jan 2005
Posts: 8,340
Crook County, ILL
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Quote:
Thanks, Mastershake.
So, a quick phosphate plating will get the finish up to snuff?
I am not an expert on plating/coating, but I do know enough to question if a machined master cylinder casting can be phosphate coated without damaging the bore etc? From the attached picture of an NOS "1187" master cylinder, you can see the outlet bosses are machined after the casting was coated/plated. Eastwood sells a spray product that is supposed to simulate phosphate coatings, I would try that, mask off the machined surface of the outlet bosses, install the cap, and spray the assembly except for the mounting flange/bore with the Eastwood spray paint.
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Re: 1971 power brake master cylinder finish
[Re: 340cpe]
#1674230
09/20/14 01:11 PM
09/20/14 01:11 PM
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Joined: Jan 2003
Posts: 5,268 NY
70440+6bbl
OP
master
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OP
master
Joined: Jan 2003
Posts: 5,268
NY
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Quote:
Weren't they just bare cast? Have several originals that have rusted. I have a none pwr brake car that I just RPM'd the outside and it looks great after several years. I also have an nos pwr brake master that does not appear to have any coating just bare cast. FWIW
Can you post a pic of the NOS master?
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