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Old 04-07-2008, 11:39 AM
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Engine Paint (the old stuff)

Anyone got any tips of removing old paint off an engine that's being used?

I'd like to get the cracked multi-layer stuff off one of my engines so it looks a bit better.

I've already thought about pulling the engine and installing a new crate engine.

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Old 04-07-2008, 11:57 AM
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chemical paint stripper, small wire wheel on an air/electric grinder or a power washer
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Old 04-07-2008, 12:08 PM
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I've used carb cleaner, works pretty good. Hit it with some acetone afterwards before you paint it...
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Old 04-07-2008, 03:43 PM
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Just wondering, why the acetone?

Thanks.
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Old 04-07-2008, 03:58 PM
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Just to make sure everything is degreased before painting. Not totally necessary, the carb cleaner does a pretty good job by itself...
Edit: Use a wire brush with the carb cleaner.

Last edited by Sinister; 04-08-2008 at 09:04 AM.
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Old 04-07-2008, 11:24 PM
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if you want to remove the loose stuff I would sand blast it when its out of the car... though you have to plug every nook and cranny.
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Old 04-08-2008, 11:19 AM
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Not much of it seems loose?

It's been painted & re-apinted so many times. I think PO's were attempting to fill in the cracks between the paint so they just kept appyling paint.
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Old 04-14-2008, 08:35 PM
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I am in the process of stripping and painting my engine (350ci SBC), I painted it a couple of years ago, but pulled it a few days ago, some of the paint was flaking, some was just covered in oil/dirt. I tried a few different wire brush attachments for my air grinder (pneumatic grinder). I ended up using a brush like this, seems to get the best results, and it is a small diameter, so it spins up quickly, and downtime has been minimal due to the amount of air saved versus using a "regular" type of wire brush attachment, that took more air to spin it up quickly...

pic



I had originally started with one of these, but it took a little longer..

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Old 04-14-2008, 10:55 PM
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I used brake cleaner. the spray can type and it works very well. spray on and the paint like wrinkles up and basically pulls off like stretchy goo. Just watch where you spray it , and wear gloves.

bill c
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Old 04-15-2008, 12:13 PM
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Oh yeah!!.... When I used to build model cars, if I ever needed to strip a body of old paint, I would use "Easy-Off " oven cleaner (comes in an aerosol spray can). It would soften the paint up real nice, and I'd rinse the bodies clean...

I was just outside stripping paint with my knotted wire brush, and realized that I'd be replacing the oil pan gasket, intake, and possibly the timing cover and gasket... Sooooooo, to the store I go, I'll be using easy-off for the remainder of the stripping process....
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Old 04-15-2008, 08:40 PM
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Brake Fluid, Then a good degreaser.

Shane
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Old 04-15-2008, 10:14 PM
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i like the aerosol aircraft paint remover spray it on wait 10 min scrape it off with a wire brush than spray it down with brake cleaner than i like to use toes scrub pads with some soapy water to clean any residue off
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Old 05-11-2008, 04:50 PM
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Ok, after going at my engine with the wire brushes, and die grinders, I have yet to figure out a clean way to get the paint out of the nooks & crannies of my assembled SBC...

My dilemma now is "Quitting time -vs- Anal retentive"

I've attached a few pictures of my engine, anyone have a good idea as far as removing the rest of the paint?? Or how many suggest a good brake cleaner + acetone cleaning followed by some nice Epoxy?

thanks..
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Old 05-11-2008, 05:33 PM
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I also use ez off cleaner.EZ off works good on nasty suspension as well. As for the small spots a drimmal tools works but very time consuming
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Old 05-11-2008, 05:35 PM
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paint stripper,or oven cleaner.
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