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Discussion Starter #1
Hello again,
Having recently lost my mind I thought I would repaint our Perkins 4-154 while waiting for the men in white coats to show up at the slip. Any advice or warnings for the collected wisdom of the board would be appreciated.

Thx in advance,
Ike
 

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I took my motor out, had it shot-blasted, zinc-sprayed and repainted. It looks good, 11 years on.

Don't get the shot blast material into the motor.
 

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I started on the same by using Rustoleum rust reformer on all the rusty spots. Works well. Haven't started the painting yet.

There is another thread from just last week with some good tips on painting. Try a search
 

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Discussion Starter #5
Thanks Xort and Nola. I hadn't thought of the Rustoleum to lock up the rust I couldn't get to. I'll be doing this in place so taking a page from NOLA I'll be masking everything for miles around. The Admiral will have my a$$ if I get paint on anything other than the engine!

Ike
 

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Ike,
We painted our old Perkins4-108 nine years ago (repowered last year-but the old Perkins was still pretty when we donated it)
The two tips I gave on the last thread I think are worth repeating...
1. Use aluminum foil to mask off hoses and wiring you do not want to get paint on. MUCH easier to handle and shape than using plastic and tape and very easy to remove.
2. For areas you need to use a brush-spray the paint in an old container then use the brush to dab it on. There are those places where spraying just isn't a good option.
3. Spend most of your time prepping-it makes a huge difference in the final product.
Good luck!
 

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I've removed the reservoir, water pump, heat exchanger, oil cooler, and a couple of pipes, from my 4-108. After internal cleaning I am now painting them using Depco engine paint and primer. I was using a Ford blue, but just bought a GM color that is similar to the Perkins blue.

The reservoir and heat exchanger just got engine paint, the Ford blue.





The oil cooler and pump have been primed and will get the GM Blue engine paint in a few days.

I spent a day last weekend attending to the block - much easier to get to w/all that other stuff off. Cleaned it and scraped all loose, flaking paint off and began using a rust-off treatment in areas. Need another day of prep on the block. I'm not going to paint the whole thing. Just touch ups here and there. Too cold to do more. But I can keep areas warm with heat lamps.
 

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Seasoned Salt
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This shows a comparison of the two Depco Engine paints.

The Depco #3601 Ford Blue is a rich, bold, saturated blue. The Depco #3608 GM Blue is a bit more of a cyan and I think the closer to the Perkins color (at least my Perkins).

 

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Perkins 4-108

I have a 1985 Perkins 4-108 which I repainted about 10 years ago. I'm getting ready to do it again and may use the blue paint that was closer to the original color. What I did in the past was to wire brush and sand it as much possible, then applied a degreasing spray purchased at a auto parts store and then used a high temperature paint from a spray can. Not sure it was neccessary to go with the high temperature rating, but it sure has done well over the years. Do you know the temperature rating of the paint you're using?
 

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Transmission filler cap

Your tranny's filler cap may have a pinhole in its side for breathing. Don't let paint clog it.
 

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Thanks, I'll double check. I have a Borg Warner velvet drive which only has a dip stick that doubles as a filler tube so I don't think there is a breather hole.
 

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I painted my Perkins with Tremclad medium blue (very close to Perkins blue) 13 years ago. I also painted my bilges with Tremclad white. scrubbed everything with a 3M scrubbie and used no primer. I will never use anyhting else. It is cheap and impervious to any of the fluids you will find in the average bilge or engine compartment. Photosand other maintenance tips on my site at
http://www.pcmarinesurveys.com/Boat Maintenance For (non) Idiots.htm

The link may get cut by moderator but I see no commercial gain.
 
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