What is growing on the top of the engine.
 

I have a engine that has been sitting for a year under a hood. It looks as though some kind of crusty calcium is growing. What is this? How do I clean it? Does someone make a spray?

Re: What is growing on the top of the engine.
 

Start with the purple clean and see what you have left...

Re: What is growing on the top of the engine.
 

wheres the pictures of it

Re: What is growing on the top of the engine.
 

I need to start a build....don't I?

Re: What is growing on the top of the engine.
 

:wop:

it may just be from mud dobbers that got into clay

Re: What is growing on the top of the engine.
 

Is CLR safe for the top of an engine?

Re: What is growing on the top of the engine.
 

CLR is pretty mild, I wouldn't have a problem with it as long as it's rinsed off good.

Re: What is growing on the top of the engine.
 

Yea should be fine if you rinse it off really well!
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