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Tutorial video on how to wet sand paint to achieve a high gloss, removes any imperfections in the paint surface and achieve a mirror shine. This process can be used on a signal stage paint or on a multiple stage paint that does have a clear coat finish. Be very cautious around any edges were the paint can be sanded through easily and also be aware of what the thickness of the paint or clear coat to ensure that the final finish is no sanded through either. Procedure: -start by washing the area you will be wet sanding to ensure there isn't any dirt on the surface which could scratch the paint -you will need 3 different grit levels of sandpaper which include 1000 grit, 1500 grit, and 2000 grit -letting the paper pre-soak in a bucket of water with some soap mixed in to allow further lubrication -starting with the 1000 grit, ensuring that the area is wet before sanding -once you have removed most of the imperfections of the paint, you can now move onto the 1500 grit sandpaper to remove any slight imperfections -after you've achieved a smooth surface, finish up with the 2000 grit sandpaper, always ensure the area is well lubricated with water and wash away any access material from sanding -rinsing the area thoroughly, you can now move onto a polishing compound -apply the polishing compound to a soft clothe and rub into the sanded area, apply any water if the compound does dry out which allows it to be more workable again -after a majority of the fine scratches have been removed, you are now ready to move onto a scratch removing product -similar to the polishing compound, you can add a light spray of water to the scratch remove if it drys out while rubbing it into the painted surface -once you achieved an almost perfect shine, you now need to clean off any access polishing compound or scratching removing product before moving onto the wax stage -ensure that there is no water left on the surface, you can now apply the wax -rub wax into the surface thoroughly and then let it sit on the surface for a minute before you wipe down the surface
ProStreetDriver posted a topic in Performance and Tuninghttp://www.youtube.com/watch?v=2Lxa-GHEQo4 Video tutorial on how to port and polish a vehicle's throttle body. In order to do this procedure, you must remove the throttle body from the engine so you can probably polish and port the throttle body and the material shavings do not enter the engine. This isn't much of a horsepower increase if any, but it does help with throttle response and reduced the build up of residue on the surface of the bore. Do not remove any material from around where the throttle plate touches in the bore either. Also when doing this procedure, I would recommend purchasing a new throttle body gasket so you won't have any vacuum leaks once reinstalling. Make sure you don't take off too much material either where it will affect the structural integrity of the throttle body. When doing this type of work, make sure you wear safety glasses for your own person protection. Procedure: -remove the throttle body from the vehicle -clean any oily build-up inside of the throttle body -remove the butterfly from the throttle body, most are held in with 2 screws that go into the shaft -if you can, also remove the shaft and linkage (some shafts are pressed into bearings, other are not) -if you can't remove the shaft, no big deal you just have to work around it -tape around the shaft or the hole where the shaft was so no metal shavings get into that area and cause premature wear for the bushings or bearings -depending on the finish of the throttle body's bore, there may be edges which you can to smooth out -in order to smooth out those edges, you can use grinding stones for either a drill or rotary tool such as a Dremel -when using a grinding stone, it's best to use WD-40 penetrating oil with it so the aluminum material doesn't plug up the stone and it'll no longer cut away any material -once you are satisfied with the sharper edges being ground down, you can down move onto sanding drums for the rotary tool -you can also flare out the bore where the air enters slightly so it has a smoother air flow into the throttle body -you can even port match the throttle body to the intake if the throttle body is smaller -if you don't have access to a rotary tool and sanding drums, you can also use flap wheel drum sanders that can be used on a drill -the flap wheel drum sanders are available in a variety of grits such as 40, 50, 60, 80, 120, 180, 240, and 320 -when using the flap wheel drum sander, you can add water to help with finer sanding as to keep the dust down -if the surface isn't too porous such as what is shown in the video, start out with a finer grit like 120 and move your way up -once you have reached the highest grit in a flap wheel drum sander, you can now do some sanding by hand with 400 grit and add some water for lubrication -once satisfied with your product, you can now move up to an abrasive like Scotch Brite -depending on the color, will depending on how course the abrasive pad material is -I started out with green and then moved onto the red pad for the finest compound -you can also use water with this too to help finer sanding and to keep the dust down -again once you are satisfied, you can now move onto a metal polishing compound -the metal polishing compound I would recommend is Eagle One -apply the polishing compound paste and rub until highly mirrored finish (multiple coats can be applied to achieve a higher polished surface -once you are done with the bore, you can now move onto the throttle plate -most throttle plates are smooth to begin with so you can skip directly to the Scotch Brite stage using the same procedure and finally move onto the metal polishing compound -once done, you are ready to reassemble the throttle body -make sure you peen the thread of the screws on the other side to ensure they don't come out or apply Lock Tight thread sealant -install new throttle body gasket along with throttle body to your vehicle