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Cleaning upper and lower plenums

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Old 12-16-2014, 12:24 PM
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Cleaning upper and lower plenums

Hello all. Well I have my short block built and should be receiving the rest of my parts next week. Now the question is what did you all use to clean the gunk and tarnish out of your intake manifolds. Once I get some pictures and learn how to post I will post pics of engine. Pretty wild color. Lol
Old 12-16-2014, 04:08 PM
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Lol.. Well, there is this...


Last edited by jennygirl; 12-16-2014 at 04:10 PM.
Old 12-16-2014, 04:20 PM
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Originally Posted by jennygirl
I'd totally see the Red Green show if it had some duct tape applied in the process. That show used to crack me up!!
Old 12-16-2014, 05:03 PM
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Ya I saw that one. I could see the headlines now "Firefighter burns self and house cleaning engine parts" Lol
Old 12-16-2014, 05:32 PM
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Bump. I would also like to know, I'm in the process of rebuilding the 3.slow
Old 12-16-2014, 07:05 PM
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well so far I have found mineral spirits, and wood stripper. Stay away from oven cleaner and other caustic cleaners. Going to look here to see if any of the shops have a sonic tank or jet tank with aluminum cleaner.
Old 12-16-2014, 09:16 PM
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What about good old fashioned carb cleaner and some elbow grease?
Old 12-16-2014, 09:45 PM
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I have a plastic "mortar mixing tray", which is a large plastic tray. I soaked the plenum in a strong mixture of dish-washer liquid and water. Then I scrubbed with a bottle brush. In the end, I still had some perfectly degreased "dirt" in places, which I just scrapped out (it breaks into dust) with a wooden stick (to avoid marring the aluminum).

I didn't remove the end caps (3VZE) from the plenum, and I could have done a much better job if I had. As best I can tell they're 40mm freeze plugs, Toyota 96411-44000, less than $10.
Old 12-17-2014, 04:08 AM
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I take mine to the carwash and use high pressure to clean it out. For all of the hose connections, I use drill bits and twist by hand to get them cleaned. On the Plenum, I use flat blade screw drivers as mini scrapers to get the big chunks of carbon broken loose then use the high pressure wand to get the rest out.
Old 12-19-2014, 05:32 PM
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i took my upper plenum to a machine shop and they put it in there ultrasonic parts tank cleaner and when i picked it up the next day it was almost like brand new inside. but mine had like an inch of goo in it . I forgot what the cost of it was

Last edited by 85toy4runner; 12-19-2014 at 05:33 PM.
Old 12-21-2014, 12:11 AM
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Red face

Just put them in the Dish washer (parts washer) for a few cycles

I am sure I am not the only one that has a dish washer that is a full time parts washer.

Also any of the Aluminum wheel cleaners work good as well in your kitchen sink .
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