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Old 17-04-2015, 11:34   #1
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Quick engine rust/pitting/paint touchups

Since my engine is running again, I'm investing a bit in it. In preparation for the new water pump, I've taken the old one off.
After wire brushing off the rust, it appears that the weeping from the pump has caused a small bit of pitting on the flange (really just the flange of the adapter, so not the end of the world), and some corrosion of the bolts, shown in the attached photo. The maker of the new pump says that since the pitting is outside the gasket line it's okay, but would you do anything about it, can you? Is it even anything to worry about?
The trickle of salt water has also made its way down to the mounting bolt and other hardware there, and while it's not pitted, it's also not painted. Consensus in past threads was degreaser, wire brush and sand for prep, but diverged on paint. Some said awl grip, others said spray, but what spray paint do you use for just enough to get by? Rustoleum? If dad decides he wants this boat, we will probably pull the motor, add a heat exchanger, and paint it as a family project, but for now just doing minor fixes while voyaging. Thanks!Click image for larger version

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Old 18-04-2015, 10:47   #2
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Re: Quick engine rust/pitting/paint touchups

B,
This is what I'm using for select areas on my engine this season. Hope it helps.www.por15.com
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Old 18-04-2015, 14:38   #3
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Re: Quick engine rust/pitting/paint touchups

Hiya, thanks! I'm not seeing anything in your post though; was there a picture?


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Old 18-04-2015, 17:51   #4
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Re: Quick engine rust/pitting/paint touchups

I fixed rognvald link for him. Por15 is good stuff.

Myself being slightly cash poor I passivate bare metal with phosphoric acid (most hardware stores have it) and just use a good engine enamel. 2-1/2 years after my engine rebuild, Purple, my diesel is is still looking good.
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Old 18-04-2015, 18:08   #5
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Quick engine rust/pitting/paint touchups

Thanks for the tips, guys and girls!
I'll look into both and see what I can get while sailing about

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Old 18-04-2015, 18:14   #6
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Re: Quick engine rust/pitting/paint touchups

The link above still doesn't work for me. Maybe this one will.
ENGINE PAINTING KIT
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