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preventing master cylinder rust
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Author:  sixsignet [ Sat Mar 18, 2006 5:24 pm ]
Post subject:  preventing master cylinder rust
How do you prevent a new cast iron master cylinder from rusting?
Author:  NewLancerMan [ Sat Mar 18, 2006 5:31 pm ]
Post subject: 
I have been thinking about this too. My approach is going to be:

1--clean the bare metal/prep
2--paint with rust-converter for first layer
3--paint with either primer or just paint depending on the rust converter.
4--Really feeling crazy? clear coat? Seems a bit over the top to me.

I haven't decided if I'll buy a cast iron looking paint or go with semi-gloss black. I have had good luck wth buying appliance epoxy paint in black that's a bit thicker and more resiliant than just engine paint.

Just my .00002 cents worth ;)
Author:  sixsignet [ Sat Mar 18, 2006 6:34 pm ]
Post subject: 
That would be the plan for an already-rusted MC.
Step 2 needs some rust for the converter to work.

Would epoxy paint be best for for a brand-new MC?
Author:  dakight [ Sat Mar 18, 2006 7:58 pm ]
Post subject: 
Don't forget, brake fluid is an excellent paint remover. Any coating you use on the MC will have to be resistant to brake fluid.
Author:  SlantSixDan [ Sat Mar 18, 2006 8:04 pm ]
Post subject:  Re: preventing master cylinder rust
Quote:
How do you prevent a new cast iron master cylinder from rusting?
Strip it of all working parts and send it out to be powder-coated.
Author:  KBB_of_TMC [ Mon Mar 20, 2006 1:19 pm ]
Post subject:  master cylinder rust
To prevent rust when I put a new (NAPA) MC on, I clean it well, used POR-15 metal prep, then POR-15 silver thinned with their special solvent, then Krylon primer, then Eastwood cast iron grey. Has looked great now for 8 years or so.
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