Engine Paint Preparation

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Feb 28, 2014 | 11:40 PM

fabieber

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Senior User

Joined: Feb 2009

Posts: 316

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From: Ridgefield, Washington

Engine Paint Preparation

What is the best way to clean the engine for painting? I have used Naptha to clean the oil off various parts but it seems to leave some kind of film that paint may not stick to.

Mar 1, 2014 | 12:16 AM

GMbusa

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Joined: May 2007

Posts: 121

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From: Springfield, Va

Good old fashioned liquid soap and water. I also go over the area once dry with alcohol in a spray bottle. Then use some air pressure to blow dry.

Mar 1, 2014 | 07:50 AM

Branded

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Joined: Oct 2013

Posts: 345

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From: Yorkville Indiana

After cleaning the engine with your choice of cleaner use 3m wax and grease remover. This is used by paint shops as the final prep before painting. It removes any wax, grease, and other residue from othe cleaners. It has a slower evaporation rate than naphtha, acetone, and thinners. I put the wax and grease remover in a spray bottle soak the engine down and start wiping, continue reapplying until your rag remains clean.

Mar 1, 2014 | 08:09 AM

oldmerc

oldmerc

Joined: Jul 2011

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From: Edmonton,Alberta

DAWN dish soap and very hot water .

Mar 1, 2014 | 08:31 AM

ChuckRob

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Joined: Mar 2012

Posts: 787

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From: Prescott AZ.

Quote:

Originally Posted by oldmerc

DAWN dish soap and very hot water .

I will second that. If Dawn can clean up baked on Lagasna it can sure clean your engine and Dawn does not leave any soap residue.

Mar 1, 2014 | 09:04 AM

yamagrant

Lead Driver

Joined: Jun 2011

Posts: 5,510

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From: Winnipeg, Manitoba

You haven't seen my wifes lasagne, and her name is Dawn. Is the motor a used drop in, assembled or in parts?

Mar 1, 2014 | 10:36 AM

dmack91

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Joined: Feb 2012

Posts: 948

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From: Central Oregon

I cleaned it with spray degreaser to get the heavy stuff, then hit it with brake cleaner before painting. Seemed to work fine.

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Mar 1, 2014 | 12:29 PM

toby tough

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Joined: Sep 2011

Posts: 1,409

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From: Clitherall, MN.

I used to use TSP quite a bit with good results. A little elbow grease too. I think dawn is probably the best though. I have a small jug by the sink to clean up with after wrenchin'.