Surface rust?

[#41]

Any type of mechanical sander/grinder will NOT get all the rust pits out, it may be good to get the worst of it off and then use Evaporust or a rust converter. Be very carefull not to build up too much heat and dig too deep or the whole panel will be as wavy as the ocean.

They sure can. The rubberized abrasive wheels / discs are flexible and will even dig into shallow-medium pits and remove 100% of the rust. Deep pits? No, But at that point you really should be blasting. The narrow ones also are not generating enough heat to worry about. Been using them for decades and they really are superior product, just a little slow.

Not so sure about those big wide one's that have come out though. They may build some heat. I would certainly be careful at the start.

 

[torredcuda]

They sure can. The rubberized abrasive wheels / discs are flexible and will even dig into shallow-medium pits and remove 100% of the rust. Deep pits? No, But at that point you really should be blasting. The narrow ones also are not generating enough heat to worry about. Been using them for decades and they really are superior product, just a little slow.

Not so sure about those big wide one's that have come out though. They may build some heat. I would certainly be careful at the start.

Smalll areas sure, you can dig the rust out but not when the whole panel is that heavily rusted.

 

[Detective D]

So, a cup brush, dust mask, and a lot of nasty dust, then a little evaporust...... Or, a few terry towels, some Evaporust & a little time...

I grew up farming, a cloud of dust from this is meaningless in my world. Takes A LOT less evaporust product if you start this way too.
but I live in the middle of nowhere so I can roll it outside and let the wind carry most of the issues away lol. Not as handy in town I imagine.

 

[QuickBpBp]

Save yourself some time and send the hood out to get it dipped or blasted by someone who knows how to blast otherwise the hood will be junk.

 

[BigFlo]

I used the Eastwood version of that Harbor Freight drum stripper tool. I didn’t have surface rust like that but essentially I stripped my entire car with it. It worked very well for me. I had no wavy panels as a result. Just keep it moving - don’t stay on a spot too long. Go back over spots, after you have gone across the panel. It’s not likely going to get into deep pits.

 

[moparvinson]

I disagree.... I've used evaporust on similar rust.... I used a couple terry towels, laid them over the rust then poured Evaporust on the towels... Re-wetting them every couple hours.... It did a great job...

I tried some evaporust on a couple of small towels just to see what it would do. Not a whole lot of time but seems to work pretty good so far.

 

[zyzzyx]

Go to Home Depot and get a gallon of Kleen Strip Concrete and Metal prep. Put the car in the shade and put some rags down
over the area. Pour some prep on the rust and let it do it's job!

 

[moparvinson]

Go to Home Depot and get a gallon of Kleen Strip Concrete and Metal prep. Put the car in the shade and put some rags down
over the area. Pour some prep on the rust and let it do it's job!

Tried the kleenex strip and WOW, just left it for a few hours and much better than evaporust.

 

[moparvinson]

Tried the kleenex strip and WOW, just left it for a few hours and much better than evaporust.

View attachment 1734759

Kleen strip, not kleenex, lol

 

[zyzzyx]

Glad it's working for you! You have some heavy surface rust there.

 

[moparvinson]

Glad it's working for you! You have some heavy surface rust there.

Yup, good thing it's been here in new Mexico it's whole life or there would be nothing left. Lol. The one square that I have done twice came out great. Will see how the rest turns out before hood shopping.

 

[1 Wild R/T]

The reason Kleen Strip works so well is it's Phosphoric acid... So unlike the Evaporust if you aren't careful it will do more damage... It needs to be sealed or be neutralized to prevent further (actually more severe) rusting....