Subject: RE: cleaning, rebuilding motor
Author: Zerhackermann .
Date: Oct 4, 2001, 4:07 PM
Post ID: 1708481752
Back when did plating (valve seats and shims)
the parts would go through a hot caustic soda bath for 15 minutes (to remove
organic oils) and then a muriatic acid bath for 15 minutes (to remove
petroleum oils) previous to the plating solutions. Now now of these parts
had baked on road grime and grease and the parts were steel, but it might
give some ideas.
Isn't muriatic acid gel naval jelly?
| From: Tim Youtsey <ti-@pctusa.net> Reply-To: Loopfram-@topica.com To: Loopfram-@topica.com Subject: RE: cleaning, rebuilding motor Date: Thu, 4 Oct 2001 16:06:07 -0700 ============================================================ Explore the jungle in your backyard -- FREE! eNature has bird sounds, Animal Finder, Field Guides, experts, activities and more for a suburban safari you'll never forget. http://click.topica.com/caaadxHb1dfltb2c9oVa/eNature ============================================================ I had some luck using simple green to get most of the dirt and greese of the 70' Ambo that I am rebuilding. I have completely disassembled the engine. I used (no laughs please) muratic (pool) acid on the cases. I actually used a resin thickener used for epoxy and polyester resin with the acid to turn it into a gel. I painted the cases with the acid and let it set for approx 15 minutes scrubbing a little with a plastic brush. I rinsed the acid off with baking soda and water. I then washed the cases with hot soapy water and rinsed with hot water. I had really good results. The aluminum is really bright. I wanted to know what to seal the cases with and I think Tom Bowes may have answered my question with sodium silicate. Of course I don't have any idea what sodium silicate is or if it is used in any other type of household product that I may be familiar with. I noticed that I had much better results on the engine case. The timing gear cover and oil pan really didn't brighten as well. Probably a different alloy of aluminum. Tim Youtsey, 73' Police, 70' Ambo -----Original Message----- From: Tom Bowes [mailto:kk-@home.com] Sent: Thursday, October 04, 2001 3:22 PM To: Loopfram-@topica.com Subject: RE: cleaning, rebuilding motor ============================================================ Get 11 Free CDs, with nothing more to buy, ever! Simply join BMG Music Service and you can choose your FREE CDs with membership. It's 100% RISK FREE! http://click.topica.com/caaadCdb1dfltb2DtfWa/BMG ============================================================ Jason, Before you try bead or any other abrasive media blasting give the parts a wash with Formula 409, and then Eagle One Formula B mag wheel cleaner. The 409 gets all the grease out of the pores of the aluminum, and the mag cleaner etches the surface to give it a consistent look. Make sure you use HOT water for the cleaning and rinsing in order to get maximum effectiveness. Clean between cylinder and head fins with a thin, round brass brush. The cases can later be sealed with sodium silicate gel, thinned to a water-like consistency, applied with a paint brush and immediately dried back out with a heat gun. I did this on my cases, they look great and are easily cleaned . jason telford wrote:
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