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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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#53221 12/07/2005 8:27 AM | Joined: Feb 2003 Posts: 218 Shop Shark | | Shop Shark Joined: Feb 2003 Posts: 218 | How do you regain that factory finish on a carb after cleaning for a rebuild? | | |
#53222 12/07/2005 1:20 PM | Joined: Sep 2003 Posts: 200 Shop Shark | | Shop Shark Joined: Sep 2003 Posts: 200 | 6,
Try eastwoodco.com They make paint for carbs. It does a real nice job.
Enjoy,
Mark
1951 Chevy 3100
Some days you get the bear. Some days the bear gets you.
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#53223 12/07/2005 1:28 PM | Joined: Nov 2002 Posts: 2,766 Carburetion specialist | | Carburetion specialist Joined: Nov 2002 Posts: 2,766 | The finish is the result of a chemical etching process.
After the castings are chemically "washed" using hot sodium hydroxide, and "ph" neutralized by boiling in distilled water; they are "cold dipped" into the zinc chromate solution. This is a combination of nitric acid, sulfuric acid, and chromic acid.
Chromic acid is a known carcinogen, and as such, the sale of this item is closely regulated (IT IS ALSO DANGEROUS!!!).
We send ours to a metal laundry company. This is one facet of restoration best left to the professionals. Even a small company such as ours which specializes in carburetor restoration cannot justify the waste water treatment facility necessary to obtain the regulatory licenses; NOR DO I WISH TO DO SO.
For the hobbyist, the best method of regaining the factory finish is not to lose it. Cleaning of the carburetor in clean gasoline, with a toothbrush may be more labor intensive than using carburetor cleaning (lacquer thinner, in a well-ventilated area, may also be used); but these solvents will not remove the greenish-gold original finish.
There are also some paints out there that are quite useful if you plan to offer the carburetor on Ebay, but do nothing to protect the metal.
Jon.
Good carburetion is fuelish hot airThe most expensive carburetor is the wrong one you attempt to modify. If you truly believe "one size fits all," try walking a mile in your spouse's shoes!The Carburetor Shop | | |
#53224 12/10/2005 6:07 PM | Joined: Jun 2005 Posts: 49 Junior Member | | Junior Member Joined: Jun 2005 Posts: 49 | see my thread in gen "cheap chrome - buffing" | | |
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