Subject: RE: cleaning, rebuilding motor
Author: Tim Youtsey
Date: Oct 4, 2001, 4:02 PM
Post ID: 1708481703
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
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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:
| Hi all, I'm kind of slowly rebuilding my old G5 and I wanted to get the engine/tranny/rear drive casings clean before I reassemble it. This is the first time I've been at all concerned about appearance, but hey, I'm experimenting. |
Tom
'70 (July '69) Ambassador
'82 V50-III
Shelby Township, Michigan
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