Cleaning Exhaust Manifolds

C

CXrob

Cadet
Joined
Apr 30, 2001
Messages
9
My engine is in the process of being rebuilt and the exhaust manifolds are fairly new and appear to still be in pretty good shade. I understand one can clean (I believe the term is boil) them. Can anyone tell me what the proper method is? I was told to let them sit in Nitric Acid...
 
Yepblaze

Yepblaze

Lieutenant Commander
Joined
Jun 1, 2001
Messages
1,686
Re: Cleaning Exhaust Manifolds

Are these cast iron manifolds? If so, you could take them to your nearest auto engine machine shop and have them hot tanked.
 
F

Frank

Cadet
Joined
Apr 9, 2001
Messages
14
Re: Cleaning Exhaust Manifolds

Muratic acid will clean them. Be careful.
 
C

CXrob

Cadet
Joined
Apr 30, 2001
Messages
9
Re: Cleaning Exhaust Manifolds

Frank, how long should I let them soak for. The local radiator shop wants to charge $50 a piece and woouln't have it back to me for a week.
 
C

cabowaboranger

Seaman Apprentice
Joined
Jun 3, 2001
Messages
39
Re: Cleaning Exhaust Manifolds

cast iron i would have them glass beaded cheaper and get them back soon that a week
 
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