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cleaning carbon

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Old 05-29-2009 | 09:36 AM
  #1  
Canadianguy2006's Avatar
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From: Kitchener
Car: 1990 Trans Am GTA
Engine: 350(5.7L)
Transmission: 700R4
Axle/Gears: 3.23 posi
cleaning carbon

looking to de-carbonize some aluminum parts i have for my car, just wondering if anyone has any good "solutions" as to what kind of chems i can soak the parts in and get rid of the crud on them, preferably something that i can get at a store

i tried some rubbing alcohol and it worked good on some of the surfaces but i'm not too sure if i can leave aluminum soaking in it.
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Old 05-29-2009 | 12:48 PM
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From: CALI
Car: 85' Trans Am !best car ever!
Engine: 305tpi 215hp LB9 two bolt,
Transmission: th-700r4
Axle/Gears: stock (3.27)
Re: cleaning carbon

acetone. and gasoline. dont mix it man, try each one separate and rinse b4 chem changeover. use NITRATE CHEMICAL GLOVES/or neoprene gloves< and eye wear.

Last edited by transam85dudeman; 05-30-2009 at 03:54 AM.
Old 05-29-2009 | 04:57 PM
  #3  
Canadianguy2006's Avatar
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From: Kitchener
Car: 1990 Trans Am GTA
Engine: 350(5.7L)
Transmission: 700R4
Axle/Gears: 3.23 posi
Re: cleaning carbon

will the aluminum degrade at all if i soak the parts in either chemical? even for lets say 1/2 hour?
Old 05-29-2009 | 05:19 PM
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Re: cleaning carbon

Get some easy-off oven cleaner.
Old 05-30-2009 | 03:47 AM
  #5  
transam85dudeman's Avatar
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Joined: Mar 2006
Posts: 926
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From: CALI
Car: 85' Trans Am !best car ever!
Engine: 305tpi 215hp LB9 two bolt,
Transmission: th-700r4
Axle/Gears: stock (3.27)
Re: cleaning carbon

no, i dont think they will degrade aluminum. i think youll be cool, you might wanna try talking to an Old dude mechanic in town. they typical can tell you if its chill. i used to use gas on old car parts. makes them shiny. but the fumes make you sick. ....when i did my throttle body rebuild, i used engine dgreaser and a brush, man that sucks. the chems soaked to the bone, i had chills in my hands for ahours. use neoprene gloves if you can. they resist fuel and acetone. while the nitrate gloves resists GAs but not so well with acetone. But neoprene gloves resists both

Last edited by transam85dudeman; 05-30-2009 at 03:54 AM.
Old 05-30-2009 | 09:26 AM
  #6  
wanab03ss's Avatar
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Posts: 1,111
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From: chicago
Car: 87 GTA
Engine: 385 sbc
Transmission: 700r4
Axle/Gears: 2.73 posi
Re: cleaning carbon

Aahh yes, the frozen hand symptom. I can second using neoprene gloves from personal experience, it feels like a burning frost bite. I dont play that game anymore. Also, you can take a more mild approach to try first. Use an aluminum wheel cleaner and a stiff nylon brush, 99 cent toilet brushes are a great choice, and then get more aggresive.
Old 05-30-2009 | 01:57 PM
  #7  
Canadianguy2006's Avatar
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Joined: Sep 2007
Posts: 59
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From: Kitchener
Car: 1990 Trans Am GTA
Engine: 350(5.7L)
Transmission: 700R4
Axle/Gears: 3.23 posi
update

Tried using carb cleaner today and it worked pretty good but there is still a residual amount of carbon left. I think the aluminum has soaked up the carbon at the molecular level, it almost looks kind of a rusty color, and no amount of carb cleaner got that stuff off. Not too worried about a little bit of off color just as long as the crap isn't caked on anymore, thanks for all the help though guys
Old 06-01-2009 | 12:48 AM
  #8  
gurkgurkgurk's Avatar
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Posts: 722
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From: SF bay area
Car: 86 Camaro iroc-z28
Engine: 305 TPI
Transmission: 700R4
Axle/Gears: 3.42 Posi
Re: cleaning carbon

if you can take it to a machine shop, have them put it in the hot tank for an hour, and no longer, usually after an hour it becomes dull and wierd looking. you can also use engine degreaser, or carb cleaner. but if you wanna save money on aerosol containers and spare your nose aswell, i think a shop will hot tank it for pretty cheap, then just go over with a teflon bristle brush.
Old 06-01-2009 | 12:37 PM
  #9  
wanab03ss's Avatar
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From: chicago
Car: 87 GTA
Engine: 385 sbc
Transmission: 700r4
Axle/Gears: 2.73 posi
Re: cleaning carbon

You can NOT hot tank aluminum heads. The machine shop will use a water jet cleaning system, oven style heating under 600 deg, or a bead blasting. Hot tanking with caustic soda will not work with aluminum. when bead blasting is used you will have to re-polish any port work done and will also require a new vale job
Old 06-01-2009 | 12:48 PM
  #10  
rough's Avatar
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Joined: Apr 2007
Posts: 1,087
Likes: 1
From: St. Petersburg, FL
Car: 88 Camaro
Engine: 305 TBI
Transmission: 700-R4
Axle/Gears: 2.73
Re: cleaning carbon

Soak it in sea foam? Its made to remove carbon.....
Old 06-01-2009 | 05:59 PM
  #11  
gurkgurkgurk's Avatar
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Posts: 722
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From: SF bay area
Car: 86 Camaro iroc-z28
Engine: 305 TPI
Transmission: 700R4
Axle/Gears: 3.42 Posi
Re: cleaning carbon

Originally Posted by wanab03ss
You can NOT hot tank aluminum heads. The machine shop will use a water jet cleaning system, oven style heating under 600 deg, or a bead blasting. Hot tanking with caustic soda will not work with aluminum. when bead blasting is used you will have to re-polish any port work done and will also require a new vale job
lol, sorry for not being specific, yeah you cant hot tank them with caustic soda. i forget what kinda detergent we use at the shop, but its not as harsh as the caustic soda, and it does clean the aluminum very well aslong as you dont leave it too long. not to mention the stuff we use is easy on your hands
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