jerf

Member
Hi, I'm doing a cheap and cheerful rolling restoration of a 90 and I have a number of areas on the body (bottom of rear door) where the aluminium corrosion is so severe I can poke a screwdriver through to the door frame. Whats the best way to deal with this? I'm only really trying to preserve/halt corrosion rather than making it look perfect.

How do I clean this powder away without damaging the good aluminium? Is there a chemical (maybe phosphoric acid/jenolite) that will do the job. What about a brass wire wheel for the angle grinder? There are surface patches of corrosion all over the body so I'd like to prepare these quickly before spraying.

Next thing is once its clean metal, should I primer it with etch primer and use fibreglass or car body filler to fill it? What have other people done successfully?

Many thanks

Jeremy
 
get a wire brush or one of them machine mart spot sand blasting guns and a fine medium, a mild acid to clean over the freshly blasted/brushed area just to make sure you have got at every little bit of corrosion then wash down and when dry use a good quality acid etch primer like upoxy acid etch to stop the weather getting to it. use a spray filler to fill the pits and sand down prime and paint. if you have parts you cant get to like the inner parts blast them with waxoyl .
 
Hi, I'm doing a cheap and cheerful rolling restoration of a 90 and I have a number of areas on the body (bottom of rear door) where the aluminium corrosion is so severe I can poke a screwdriver through to the door frame. Whats the best way to deal with this? I'm only really trying to preserve/halt corrosion rather than making it look perfect.

How do I clean this powder away without damaging the good aluminium? Is there a chemical (maybe phosphoric acid/jenolite) that will do the job. What about a brass wire wheel for the angle grinder? There are surface patches of corrosion all over the body so I'd like to prepare these quickly before spraying.

Next thing is once its clean metal, should I primer it with etch primer and use fibreglass or car body filler to fill it? What have other people done successfully?



Many thanks

Jeremy

its go to be done with c.p.
 

Similar threads