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General Category => General Discussion => Topic started by: giusto on January 23, 2016, 05:15:25 PM

Title: Best practices for engine case cleaning and staying clean
Post by: giusto on January 23, 2016, 05:15:25 PM

I am sure there have been many posts on the subject in the past but I was hoping for "state of the science" information...or just want to see where this goes.
I am in the process of restoring a few bikes and was hoping that all y'all might share your tip for cleaning engine cases and keeping them looking good if they have been cleaned (blasted) previously and have reverted to a grungy dull look.
I like the looks of dirt and patina and various animal/insect parts just fine...but I was hoping for help with that extra clean look.

Thankz

Title: Re: Best practices for engine case cleaning and staying clean
Post by: drlapo on January 23, 2016, 05:47:45 PM

Duplicolor silver or aluminum engine paint
It doesn't look like the cases were painted but the stay clean
Only really works on crankcase not polished covers

Title: Re: Best practices for engine case cleaning and staying clean
Post by: Mark Dasher on January 23, 2016, 06:05:08 PM

Quote from: drlapo on January 23, 2016, 05:47:45 PM

Duplicolor silver or aluminum engine paint
It doesn't look like the cases were painted but the stay clean
Only really works on crankcase not polished covers

:1:

Clean by soda blasting then finish with a light coat of aluminum engine paint.  I've used that method for years.

Title: Re: Best practices for engine case cleaning and staying clean
Post by: giusto on January 23, 2016, 06:20:00 PM

Quote from: Mark Dasher on January 23, 2016, 06:05:08 PM

:1:

Clean by soda blasting then finish with a light coat of aluminum engine paint.  I've used that method for years.

Any particular brand of Aluminum engine paint?

Thanks guys

Title: Re: Best practices for engine case cleaning and staying clean
Post by: Matteo on January 23, 2016, 06:28:16 PM

I sandblast then Vaporblast or Vaporhone.

Title: Re: Best practices for engine case cleaning and staying clean
Post by: drlapo on January 23, 2016, 06:49:56 PM

Duplicolor engine paint has worked well for me

Title: Re: Best practices for engine case cleaning and staying clean
Post by: dsrdave on January 23, 2016, 07:00:31 PM

Vapor blast is best.  I blast with walnut shells and treat with amsoil metal protectant.