Clean manifold...... !##$^$%$##@!!!

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trainguy1989

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I was using some carb cleaner to clean out my intake manifold and noticed I lost some of the paint on my intake. Is this a problem? I also noticed that the interior of the intake is bumpy in some areas. Is that normal too? The outside of the intake is dirty. Is it ok to submerge parts of the manifold into a tank of solvent to clean the exterior of the manifold? Will solvent eat the paint to? If it does what should I use to clean the exterior of the manifold?

Thanks,
David
 

TYSHO

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Degreaser works on the exterior of the intake. You do not want to use carb cleaner on the exterior of the intake or valve covers.
 

hawkeye18

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yes, it will eat the paint. Oven cleaner does this too. Yes, the bumps are normal. They're a result of the flash casting process. You can dunk the intake in solvent, but expect more paint to come off. You can either repaint the manifold or leave it be. I use Simple Green to clean the exterior. Since you've dicked up the paint already, you might as well take the rest off and paint it a color you like.
 

trainguy1989

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Just out of curiosity, what is the manifold made out of? I just have a couple of chips of paint missing. Is it ok to leave or will the exposed metal be eaten? What would you use to clean the interior of the manifold to remove carbon?
 

jedhead

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The manifold is made of aluminum. Unlike iron or steel, the oxidation that forms on the outside of aluminum prevents further oxidation. When I clean my intake I use purple clean. I take a huge plastic tub put the purple clean in it then clean the intake with bottle brushes. I also wear safety glasses. Then I rinse the intake with water.

Bob
 

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I completely disassembled my intake and used B-12...I was careful and didn't get any on the exterior paint. Then I clearcoated the intake afterwards....turned out well.

Doug
 

trainguy1989

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Doesn't Purple Clean and Simple Green increase the rate of oxidation because they are water based? From what I read B-12 eats everything. I am scared of taking more paint off and/or increasing oxidation. So whats the best product? Need to put this together as this is my daily driver.

Thanks for all your help guys,

David
 
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trainguy1989

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I really do not have a lot of time. I need to put it together real soon.... Can't keep bumming rides off of others. All I was trying to do was clean it while having it off.
 
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jedhead

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Doesn't Purple Clean and Simple Green increase the rate of oxidation because they are water based? From what I read B-12 eats everything. I am scared of taking more paint off and/or increasing oxidation. So whats the best product? Need to put this together as this is my daily driver.

Thanks for all your help guys,

David

Haven't noticed any oxidation. We did 3 sets of manifolds at once. We also left the intake dry in the summer sun.

Bob
 

IDTag

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Doesn't Purple Clean and Simple Green increase the rate of oxidation because they are water based?

Jedhead is right. Aluminum isn't like steel. Once you get a layer of oxidation on an aluminum surface (aluminum oxide) the deterioration stops underneath. Steel keeps rusting away once it gets started.
 

zblackbeast

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I think ill be the 3rd or 4th person to say this..

Paint it.... clean it with whatever and just paint it.
 

Devin

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I was just having fun...

Paint works great, but eventually it'll look like ass if you aren't a great painter and use rattle cans. That's why I'm either powder coating my spare or anodizing it.

And no, it's not going to be polished, because I don't want Tom coming over to caress it from time to time. :naughty:
 

TYSHO

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Obviously, the guy doesn't want to paint his intake because he doesn't have the time. If you read, he needs the car back on the road as soon as possible and from all of the painted SHO intakes, they look like a back yard, one eyed mechanic quality type of work.

Degreaser on the exterior and Berryman's B12 for the interior. You will want to keep some rags on the exits when you spray the B12, along with some eye glasses, gloves, long sleeves, and work cloths you don't care about. You will get dirty B12 liquid flying back at you from the entrance point.

Until then, save up for a powder coated intake. :thumb:
 

jthod

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Don't bother with nitrile gloves, the Barryman's will eat them too. Thick rubber chemical resistant gloves are the only thing I've found to protect.
 
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Obviously, the guy doesn't want to paint his intake because he doesn't have the time. If you read, he needs the car back on the road as soon as possible and from all of the painted SHO intakes, they look like a back yard, one eyed mechanic quality type of work.

Degreaser on the exterior and Berryman's B12 for the interior. You will want to keep some rags on the exits when you spray the B12, along with some eye glasses, gloves, long sleeves, and work cloths you don't care about. You will get dirty B12 liquid flying back at you from the entrance point.

Until then, save up for a powder coated intake. :thumb:

Odd, I've got a painted intake that quite a few people at the convention thought was pc'd.

Anyway, original subject.

Non chlorinated brakekleen or Berryman's will work great to clean the interior. If you need the car back on the road soon, forget the exterior, and just put it back together.
 

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