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Old 09-10-2008, 07:52 PM
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CRAP!! What do I do now????

I pressure washed a 360 Mopar motor to repaint and decided to clean the old paint off from the aluminum water pump and leave it aluminum with no paint,,, cool huh!! I decided to sandblast the old chipping paint from the waterpump and all went well until I decided to remove the fuel pump prior to painting the motor and found sand inside the fuel pump hole . I have NO idea how it got inside, I wouldn't think it would go all the way through the whole width of the gasket, the gasket is approx. 1" wide. Would it be feasible to pull the waterpump and rinse the front of the motor with something like deisel fuel to rinse this crap out or do I pull it all apart and have it all hot tanked and reassemble it? I'm guessing it would be best to pull it apart, one tiny piece of sand could be the death of the motor. I'd like to ask if anyone else has ever had this problem but I'm guessing they haven't

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Old 09-10-2008, 09:11 PM
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i have heard other people warn about blasting around motors that the sand gets into everything. i would pull the motor apart , to much of a chance it got some in it.
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Old 09-10-2008, 09:24 PM
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Sand gets into EVERYTHING. That's all I'm gonna own up to.
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Old 09-10-2008, 09:40 PM
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Never ever sand blast anything on a assembled engine or anywhere near one. You could take the oil pan off, the rocker covers and the intake, clean it with sea foam then go over it again with pressurized water then coat with wd40, reprime it with fresh oil and filter, repeat the process again with the oil and filter and be okay.
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Old 09-11-2008, 12:29 AM
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I sandblasted a frame outside my garage, and I found sand INSIDE a freshly built caddy 500 that was 20 feet away at the front of the garage. The only part of the engine that was "open" was the oil pressure sender port, which is horizontal and was faced away from the blasting. Sand had to travel 20 feet, change directions twice, and enter an 1/8" hole.

I knew it was the same sand because it was the same color, texture, and I am POSITIVE I didn't get large grains of sand in it during the build the week before.

From now on, I'm transporting anything sensitive to the next county before I blast
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Old 09-11-2008, 05:13 AM
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I'm going to pull the water pump/timing cover off and see how bad it is there. I just want to bang my head against a wall
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