Tag Archives: tech

  • Metal Buffing & Polishing: Basics & How To

    Buffing is simply the process of smoothing high and low spots on a surface until it is perfectly smooth. Typically it is done with fabric wheels and abrasive compounds of various types. You progressively move from a very aggressive, to a less aggressive grit compound, and matching wheel, until you polish your piece to a near mirror finish.  Click Here To Read Full Post...
  • How to Restore Car Headlights

    Out of all minor automotive restoration projects, restoring your headlights is among the most important. After years of use, headlights can get cloudy, rendering their effectiveness much weaker and therefore more dangerous. This is why it is important to restore them to their original clear state in order to ensure your safety as a driver. Below, we discuss the best ways to clean and restore your vehicle's headlights.

    Different Methods of Restoration

    Cloudy headlights can affect just about any time of car make and model, from foreign to domestic. With headlight restoration, you can get rid of this cloudiness by cleaning the headlight lenses with headlight cleaner kits or with individual basic items found at an auto parts supply store. This will save you the expense of full replacements, and it is a quick and simple process.

    There are a number of different ways you can restore your headlights. For one, purchasing a Headlight Deoxidizer and applying to your headlights can be a fast option, as can using simple toothpaste, but these options are for immediate results for minor fixes and do not equal the quality of a thorough restoration. The two main methods we are focusing on today are using a glass cleaning solution method and a more thorough masking tape and sandpaper method.

    Using a Glass Cleaning Solution

    Here is what you will need for the glass cleaning method of restoration: glass cleaning solution, lint-free polishing cloth, car polish, car wax and a rotary buffer. This method is very simple and only requires a few steps. First off, if there is moisture on the inside of the glass, you must carefully remove the headlight lens from the car and let it dry before cleaning. If the damage is on the outside of the headlight, take your glass cleaning solution and spray it on the outside lens. Use a polishing cloth to thoroughly wipe the solution around and off of the lens to completely clean it. Make sure to not apply this solution in direct sunlight to avoid further spottiness or cloudiness. Again, if the damage is on the inside, repeat this step for the inside of the lens as well.

    Now, take some car polish and apply it to the outside of the lens. Make sure the polish has a very fine abrasive in it to lightly grind away at any accumulated dust, dirt or grime. Finally, use your rotary buffer to work in the polish, and apply a final car wax to the headlight to make the cleaning/repair last longer. Now, you have successfully restored your car headlight.

    Using Masking Tape and Sandpaper

    Here is what you will need for the sandpaper method of restoration: masking tape, simple soap and water, 600-grit sandpaper, 1200-grit sandpaper, 2000-grit sandpaper, 2500-grit sandpaper, multiple lint-free polishing cloths, plastic lens cleaner, plastic polish and car wax. The first thing to do is use your masking tape to make a protective tape border around the headlight to protect your vehicle's finish. Then, take your 600-grit sandpaper, and dip it into a bucket of light, soapy water. Lightly rub the fine sandpaper on the front of the headlight lens to clean any adhesive debris or grime off of the surface. Spray some plastic lens cleaner onto the headlight, and use a polishing cloth to evenly wipe around the cleaning solution.

    The next thing to do is remove the headlight's oxidation. Take another polishing cloth, dip one finger of it into your plastic polish, and with the lens still wet from the cleaner, apply the polish evenly across the entire headlight. Now, take your sandpaper from before, dip it into more soapy water, and begin to sand evenly from side to side across the headlight to work in the polish. Continue this sanding process with the 1200, 2000 and 2500-grit sandpapers, consecutively, making sure to get rid of any minor scratches left from the previous coarser grits. Apply another layer of the plastic polish, let it sit for a minute, then buff it with another polishing cloth.

    After cleaning the headline with soap and water to remove any excess polish residue, it is time to wax. Take a polishing cloth, and apply a quarter-sized amount of car wax to it, letting it sink into the cloth for several seconds. Apply the wax to the outside of the lens using a single stroke method gradually from left to right, top to bottom. Once all of the wax is completely worked into the headlight and the lens is completely clear and shiny, consider it restored.

    To learn more about car headlights and for various DIY car tutorials, be sure to visit Eastwood.com.

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  • TIG Welding FAQ

    TIG stands for Tungsten Inert Gas. Unlike MIG or ARC welding, TIG uses an electrode separate from the filler material. This electrode is called the tungsten, and different varieties of them have different welding characteristics. The inert gas is typically Argon, or sometimes Helium or a mixture.   Click Here To Read Full Post...
  • How to Seal & Restore a Gas Tank

    Over time, your vehicle's gas tank can start to corrode and even leak. That is why is is important to know how to restore your gas tank to rid it of any rust and seal any minor leaks. Below, we take a look at how to properly seal and restore your gas tank.

    Gas Tank Sealing and Restoration: Preparation

    The first thing you need to do is gather your materials. You will need: the Eastwood Gas Tank Sealer Kit, muriatic acid, 64 oz. of acetone, two gallons of hot water, a bucket and some safety gloves and goggles. If you have a small gas tank that holds one to five gallons, you will only need one pint of the Eastwood Gas Tank Sealer (included in the Gas Tank Sealer Kit). If you have a larger tank, use two pints per 20 gallon-capacity. If your gas tank contains baffles, increase the surface area, and be sure not to coat the tank if the tank, sealer or room temperature is below 60 degrees. Make sure the tank is completely dry and free of water before applying any surface prep solution or sealer.

    Make sure that you have enough time to complete the entire restoration job before starting to seal and restore your gas tank. The first thing to do is drain and remove the tank from your vehicle. Use warm, soapy water to wash out and rinse the tank entirely. Remove any valves, sending units, petcocks and internal filters from the tank, and make sure that the fill spout is the only opening in the tank. Now, it is time to start cleaning the inside of the tank.

    Gas Tank Sealing and Restoration: Execution

    First, mix the contents of your metal wash solution (from the sealer kit) with your two gallons of hot water in a bucket. Pour the mixture into the tank and slosh the contents around before letting it sit for five minutes at a time on each surface. Slosh the tank around again, and pour out the solution before thoroughly rinsing the inside with a hose. If any varnish inside the tank still remains, repeat the sloshing and rinsing process until all traces of varnish are gone. In an outside environment, add three ounces of muriatic acid to 60 ounces of water, making about half a gallon of 20-to-1 water-to-acid solution. It is important to wear your safety gloves and goggles during this process. Now add your diluted muriatic acid solution to the tank and slosh it around for about five to ten minutes. Make sure one opening is loosely capped to allow pressure to escape the tank. Repeat this step until all rust inside the tank is gone. Then, pour out the contents into a plastic container and neutralize the acid solution with baking soda until the fizzing ceases.

    After thoroughly rinsing the tank multiple times of all remaining solution, pour the entire bottle of Fast Etch (from the sealer kit) into the tank and slowly rotate it, allowing all surfaces to come in contact with the solution until the inside is consistently gray. Next, pour out the contents, and fill the tank will one quart of acetone. Slosh the acetone around inside the tank before pouring it out. Now, repeat this step with fresh acetone. After you empty the tank again, shake your Gas Tank Sealer, pour it into the tank and coat each inner surface by rotating the tank slowly. Open the fill spout, and let the tank sit for eight to ten minutes. Close the opening again, and slowly rotate the tank once again with the solution in it. Let the tank sit again for eight to ten minutes on a different side. Repeat this process multiple times until the inside has an opaque white coating. This solution should be allowed to dry inside the tank, each side equally coated. In order to properly prevent the sealer from collecting and drying unevenly on any one side, insert an air compressor line into one opening of the tank with all other openings closed, at between one and five psi. The tank should be completed dry within 48 hours at 60 degrees or warmer, and the coating should ultimately be rubbery with no odor emitting from inside the tank.

    If you want to further protect your gas tank from rust, use Eastwood's Tank Tone Metallic Coating. This solution contains zinc to prevent against any initial spread of corrosion inside your tank. After the entire process is complete, always be sure to store your Eastwood Gas Tank Sealer Kit at 70 degrees or cooler for an optimum three-year storage life. Also, for any clean up, use methyl ethyl ketone or acetone solutions, but be sure to dispose of them safely and legally. Be safe when working with these chemicals, and always make sure you use the proper equipment to successfully seal and restore your gas tank.

    To learn more about sealing gas tanks and for various DIY car tutorials, be sure to visit Eastwood.com.

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  • How Do I Adjust the Flow Rate of Shielding Gas?

    Whenever you are using a welding machine, like a MIG welder or a TIG welder, it is crucial that you know how to adjust the flow rate of shielding gas. When assembling and setting up your welder, once you connect your shielding gas regulator, the gas flow rate must be adjusted in order to assure that the right amount of shielding gas is flowing over your weld. If too little gas is flowing from your welder, excessive spatter and contamination can occur. If too much gas is flowing, you will be wasting your gas, which can negatively affect the result of your weld. Typically, there are two gauges on the shielding gas regulator, one to mark the gas flow rate and one to mark the gas tank pressure.

    The first thing to do to adjust the flow rate of your shielding gas is open your shielding gas tank valve the whole way. Adjust the knob on the regulator so that it is marked at about 30 CFH. Now, turn on the welder and trigger the torch switch so that the gas will start to flow. When you trigger the torch switch, the gas flow should cause the needle on the gas flow gauge to descend to a steady and accurate reading. Next, the gas flow should be set to about 20 CFH when it is flowing, which is the most common flow rate used when welding. Sometimes this needs to be readjusted as a slight breeze could alter the flow and weaken the shielding gas consistency surrounding the weld. Once you have adjusted the flow rate, you are free to weld. Just remember to close the gas valve on the bottle when you are finished welding.

    To learn more about welding and for more automotive FAQs, be sure to visit Eastwood.com.

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