Actually the 80 grit paper that Kevin used was just right. Why it messed
up his car is beyond me. In order for the paint to stick the metal should
have a slight "bite" to it and 80 will do it.
...Art
On Thu, 15 Jan 1998, Steve Bettencourt wrote:
> Hi Kevin,
>
> Eastwood sells a 3M pad that goes on a grinder that is excellent for
> removing surface rust from sheetmetal surfaces. It also removes paint. The
> pads wear down though so you would have to get a couple to avoid down time.
> They come in two grades. A heavy pad for rust and paint and a cleaning pad
> for cleanup after a chemical strip. These pads do not overheat and warp
> sheetmetal. Never use a grinder/grinding disc to sand off paint on
> sheetmetal if you are doing a refinishing job. (Obviously grinding small
> ares for welding repairs is OK) It will distort the sheetmetal in no time
> and you will wind up with a nice topographical relief map on the side of
> your car. The same can happen with careless sand blasting. The best
> approach is commercial stripping, either (they're out of my budget) walnut
> shell blasting or chemical dip. The next best is chemical strippers such as
> Kwik Strip. I have used this method with good success and am presently
> completing the stripping job on my '79B. All safety precautions apply.
>
> When I was in high school I sanded my old Dodge Dart with a grinder and 80
> grit discs. The sides of the car were an absolute mess. I learned my lesson
> then. At least it wasn't at the expense of an LBC.
>
> Body work is difficult at best and there is no point in making the job even
> more difficult by creating more repair work for yourself.
>
> $1.00
>
>
>
> At 11:36 AM 1/15/98 -0700, Kevin Sullivan <kevins@khoral.com> wrote:
> >
> >SNIP>
>
> >Hmmm. I just got my HF catalog and anticipate ordering some things from
> >them. I wasn't planning to blast the exterior. I was thinking about
> >using that for non flat areas like floor pans. What it the preferred tool
> >for removing surface rust from a large smooth area like the roof?
> >
> >Thanks,
> >
> >Kevin Sullivan -- 1960 MGA kevins@khoral.com
> >Khoral Research Inc. http://www.khoral.com/staff/kevins/mgstuff
> >Albuquerque NM USA
> >
> >
> Steve Bettencourt
> '79 MGB
> '76 MGB
> '89 T-10 Blazer
> Steve's HotRod World Home Page
> http://members.aol.com/CruzinRI
> http://www.GeoCities.com/MotorCity/Speedway/4995
>
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