hey guys, i'll try to take a picture, but i will put some over and sand.. sand... ohh yea more sanding, and i will notice after i think its done, i find little chips, holes, crap that's not 100% smooth

now.. factors i think can lead to this is the body filler.. it's generic bondo from walmart
and i'm also using a home depot 80 grit sandpapers, works good but maybe its too rough >??.. should i start with the 80 and move to a smoother grit and the holes will go away ?.

 

80 grit is what you should use on bondo.
Get the real Bondo.
If you add too much hardner, it gets hard too fast

 

now use 180 grit to smooth it out

 

Click here.......also you might want to use a primer/filler to get it real smooth.
http://purplesagetradingpost.c....html

 

ok, I've done some research.. 1.. is I'm mixing it wrong, and too fast..
second, the generic body filler is crap, so I'm buying rage gold, and third,
i use the 80 grit, then finish with 250, premiere and then go from there



also, for anyone that has molded/smoothed over there entire engine bay.. props.. and anyone thinking of doing this.. god.. i really hope you know what your getting into. lol..

 

Don't forget to use finish bondo when you are done. Trust me. My dad has painted cars for over 20 years and and we just got done re-doing my whole car. Use regular bondo and sand it down with 80 grit or so, then use finish bondo on it (much easier to work with) then sand it down with at least 120 and you should be good.. It depends on what you are painting though.

-Shane

 

Yes. Have you heard of Glazing Putty. It helps a great deal for air bubbles, chips, small pinholes, etc.. This is what i've learned in my autobody class.

1. Sand or grind the surface bondo is being applied to, it's up to you wether to sand or grind
2. Apply Bondo
3. Cut, Sand / Shape
4. Repeat step 2 & 3 if necessary
5. Wet sand the area. (the water helps to clear out the dust in whatever pinholes you have or created)
6. Apply Glazing Putty
7. Repeat step 5 & 6 till desired surface.

Happy bodyworking. Please feel free to add anything to this list. These are just the basics that i've learned. You can also add guidecoat to that process but I left it out since it doesn't really relate to your situation. Cheers




Modified by MaRkO at 6:00 PM 8/26/2005

 

so after i do the top coat of super lightweight filler/putty... i then sand down with 120-200 and then shoot my primer and then sand again with what grit >?.. then base coats(5?) and clear coats(5?)